CVE & CISA-KEV Catalog

CVE-2026-42880

CRITICAL
9.6
CVSS v3
NVD

Description

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. From versions 3.2.0 to before 3.2.11 and 3.3.0 to before 3.3.9, there is a missing authorization and data-masking gap in Argo CD's ServerSideDiff endpoint that allows an attacker with read-only access to extract plaintext Kubernetes Secret data from etcd via the Kubernetes API server's Server-Side Apply dry-run mechanism. This issue has been patched in versions 3.2.11 and 3.3.9.

CWE-200Information ExposureCWE-212CWE-201

How to fix

Remediation Available
registry.redhat.io/openshift-gitopsRocky
Fixed in:1/argocd-rhel9@sha256:3892296394f7bad0156308d380b2d1460c487487fb4b63ee8c3ad7b721e79cc9_arm64RHSA-2026:20947
Fixed in:1/argocd-rhel9@sha256:bdcc59168d4a265ef8733e8bd8991e0360bcdf0772531b2deb029f850877a2d7_s390xRHSA-2026:20947
Fixed in:1/gitops-rhel8@sha256:6ed96a4f70d576b146dc9d95eea340001d2c41f815f145a5aa26d6578ab09f79_ppc64leRHSA-2026:20943
Fixed in:1/dex-rhel8@sha256:c1eb1813dc1a5936727f0127d8515114d990e0b2afd7f1104c7b8b3cae26bcce_ppc64leRHSA-2026:20943
Fixed in:1/dex-rhel9@sha256:210616e4620edfe60d2afed74676e294b41b496e35a4d3c4632861e51219393e_arm64RHSA-2026:20947
Fixed in:1/gitops-rhel9@sha256:a6201bf45068fdf7a8dc3ce982f7a9c4457af7f3ec1dab917a7098e6627f57cb_arm64RHSA-2026:20947
Fixed in:1/argocd-rhel9@sha256:79d5b63a421a8115669b45adb68f9a8326a5cfd4bf8c9ed6a3c6bf3d8e000470_ppc64leRHSA-2026:20947
Fixed in:1/gitops-rhel8@sha256:a02d6193b4dbc71db4dd298912e770769619cf9350bf9b765427d979014a2327_s390xRHSA-2026:20943
registry.redhat.io/openshift-gitopsRed Hat / RHEL
Fixed in:1/gitops-rhel8@sha256:a02d6193b4dbc71db4dd298912e770769619cf9350bf9b765427d979014a2327_s390xRHSA-2026:20943
Fixed in:1/dex-rhel8@sha256:a8964feb57a233ad7cafd9a95136acecd1bc78cf538a2725aceb8446bd0b96c2_s390xRHSA-2026:20943
Fixed in:1/argocd-rhel9@sha256:3892296394f7bad0156308d380b2d1460c487487fb4b63ee8c3ad7b721e79cc9_arm64RHSA-2026:20947
Fixed in:1/argocd-rhel9@sha256:1b7901e494b7274e5fe66969d535e7e8e104b0a1d922830264b63cd011aee636_s390xRHSA-2026:20943
Fixed in:1/argocd-rhel8@sha256:5919feb409837ec88c5197df633639a697c5ec6138cd2620f1f452ef5a3bd365_s390xRHSA-2026:20943
Fixed in:1/gitops-rhel8@sha256:6ed96a4f70d576b146dc9d95eea340001d2c41f815f145a5aa26d6578ab09f79_ppc64leRHSA-2026:20943
Fixed in:1/argocd-rhel9@sha256:517a98436c7ab863d0ecb5868767aa65b5b96cee51377ed9653014502f374040_amd64RHSA-2026:20947
Fixed in:1/dex-rhel8@sha256:c1eb1813dc1a5936727f0127d8515114d990e0b2afd7f1104c7b8b3cae26bcce_ppc64leRHSA-2026:20943
registry.redhat.io/openshift-gitops-1/argoRed Hat / RHEL
Fixed in:rollouts-rhel8@sha256:4770392a4f37b9e8b6f8d8a37748243fbf4f63eabc4125b0e31f55f927b4598f_ppc64leRHSA-2026:20943
Fixed in:rollouts-rhel8@sha256:12cfb7c85072330ccc14faa278f2dcc4ce87972fa46432ba00c609c3656e092d_s390xRHSA-2026:20943
Fixed in:rollouts-rhel9@sha256:d70756f5732cde032d921adc757cca39cd1711f421ed445bf26d7687b880f37f_ppc64leRHSA-2026:20947
Fixed in:rollouts-rhel8@sha256:b6773a29fc3d9504143f9aed3438781e04b4262a4ac46d1926f2ce76c87ad0c9_amd64RHSA-2026:20943
Fixed in:rollouts-rhel9@sha256:c09e60b8a28c54592e6a3ae888310fefaebe1baf41cc90fc054c15940e48f5f5_arm64RHSA-2026:20947
Fixed in:rollouts-rhel9@sha256:4fc7f450ed27f228e9f3316c3132137b3afe7cf50a305e4dcaefd49f90a85117_amd64RHSA-2026:20947
Fixed in:rollouts-rhel8@sha256:093d586a268c1129068c4c92ce4e23de78bf72944a392beaa46bd2364ca0336b_arm64RHSA-2026:20943
Fixed in:rollouts-rhel9@sha256:79678aa6a7a85a443fa63ca9ed51c009d1e82cda6094a53dfacc686f5276bda5_s390xRHSA-2026:20947
registry.redhat.io/openshift-gitops-1/argoRocky
Fixed in:rollouts-rhel8@sha256:12cfb7c85072330ccc14faa278f2dcc4ce87972fa46432ba00c609c3656e092d_s390xRHSA-2026:20943
Fixed in:rollouts-rhel9@sha256:c09e60b8a28c54592e6a3ae888310fefaebe1baf41cc90fc054c15940e48f5f5_arm64RHSA-2026:20947
Fixed in:rollouts-rhel8@sha256:093d586a268c1129068c4c92ce4e23de78bf72944a392beaa46bd2364ca0336b_arm64RHSA-2026:20943
Fixed in:rollouts-rhel8@sha256:4770392a4f37b9e8b6f8d8a37748243fbf4f63eabc4125b0e31f55f927b4598f_ppc64leRHSA-2026:20943
Fixed in:rollouts-rhel9@sha256:79678aa6a7a85a443fa63ca9ed51c009d1e82cda6094a53dfacc686f5276bda5_s390xRHSA-2026:20947
Fixed in:rollouts-rhel8@sha256:b6773a29fc3d9504143f9aed3438781e04b4262a4ac46d1926f2ce76c87ad0c9_amd64RHSA-2026:20943
Fixed in:rollouts-rhel9@sha256:4fc7f450ed27f228e9f3316c3132137b3afe7cf50a305e4dcaefd49f90a85117_amd64RHSA-2026:20947
Fixed in:rollouts-rhel9@sha256:d70756f5732cde032d921adc757cca39cd1711f421ed445bf26d7687b880f37f_ppc64leRHSA-2026:20947
registry.redhat.io/openshift-gitops-1/argocdRed Hat / RHEL
Fixed in:extensions-rhel8@sha256:084929fa28329d1382a0667a61e83e349f55369d80f71ef2f6af8a88dcda19d1_ppc64leRHSA-2026:20943
Fixed in:agent-rhel9@sha256:e395bde8aed3d4b96bb3c7dbcd3f482c8f3c1c8f3f7a0fd41001b1500b16ffe9_amd64RHSA-2026:20947
Fixed in:extensions-rhel9@sha256:f960b8e8b4d2d05ce5f8ba1231149feaeb88ad966736315916838d28a260d2ea_amd64RHSA-2026:20947
Fixed in:agent-rhel9@sha256:4a679044f2c9531a5b093e74736b4c28c125485c66b8afd3fbc82f868b3b1136_arm64RHSA-2026:20947
Fixed in:extensions-rhel9@sha256:de91f521e7442bb7f0b9a9d8991c1219bcb9029a5eaa9a65a8ffdf2dd4e7b140_arm64RHSA-2026:20947
Fixed in:agent-rhel9@sha256:d86e912f9a3b81126e6aba09366e1aa3cc01c04cc1c256859b758300915be686_ppc64leRHSA-2026:20947
Fixed in:extensions-rhel9@sha256:c4c36dbf7f774c1a1f02b8d4fc2c3539daca7dee5db327fc168269e993aedd6e_ppc64leRHSA-2026:20947
Fixed in:agent-rhel9@sha256:f41409195124127b270fe99e62a3ed6da956dcc675e735316c155f26be6f25e2_s390xRHSA-2026:20947
registry.redhat.io/openshift-gitops-1/argocdRocky
Fixed in:agent-rhel9@sha256:e395bde8aed3d4b96bb3c7dbcd3f482c8f3c1c8f3f7a0fd41001b1500b16ffe9_amd64RHSA-2026:20947
Fixed in:extensions-rhel9@sha256:f960b8e8b4d2d05ce5f8ba1231149feaeb88ad966736315916838d28a260d2ea_amd64RHSA-2026:20947
Fixed in:agent-rhel9@sha256:4a679044f2c9531a5b093e74736b4c28c125485c66b8afd3fbc82f868b3b1136_arm64RHSA-2026:20947
Fixed in:extensions-rhel9@sha256:de91f521e7442bb7f0b9a9d8991c1219bcb9029a5eaa9a65a8ffdf2dd4e7b140_arm64RHSA-2026:20947
Fixed in:agent-rhel9@sha256:d86e912f9a3b81126e6aba09366e1aa3cc01c04cc1c256859b758300915be686_ppc64leRHSA-2026:20947
Fixed in:extensions-rhel9@sha256:c4c36dbf7f774c1a1f02b8d4fc2c3539daca7dee5db327fc168269e993aedd6e_ppc64leRHSA-2026:20947
Fixed in:agent-rhel9@sha256:f41409195124127b270fe99e62a3ed6da956dcc675e735316c155f26be6f25e2_s390xRHSA-2026:20947
Fixed in:extensions-rhel9@sha256:0bc428c7968e0cdc1bd332dd622a26df0889213979547861733ae9cc898e37ad_s390xRHSA-2026:20947
registry.redhat.io/openshift-gitops-1/argocd-imageRed Hat / RHEL
Fixed in:updater-rhel8@sha256:0c81eedce2f08c304fea9aa8662fed9f845ac13638bca8f5a9b1684819dc207e_s390xRHSA-2026:20943
Fixed in:updater-rhel9@sha256:2c10fa9cb8012acd7768c1852239783d6e39e4b3845c180498179a9c275e1e78_arm64RHSA-2026:20947
Fixed in:updater-rhel8@sha256:021a2b93438ab7a0cdb1ee15ce32c38cccb556802203b7f79604b21fde0dfe38_ppc64leRHSA-2026:20943
Fixed in:updater-rhel8@sha256:c769040e7b362ea4918e077b1481b1059fbf5d762b8e2444631d3e08d391434a_arm64RHSA-2026:20943
Fixed in:updater-rhel9@sha256:aa23e3d5ec1b30db7e637f872f68915c6b6144f1ebea8d229c54a79c92a84c7b_ppc64leRHSA-2026:20947
Fixed in:updater-rhel9@sha256:9707ca205f8ef70c1c717b69def8a97fc073fb4f107a770bbae5052bd259e86e_amd64RHSA-2026:20947
Fixed in:updater-rhel8@sha256:4c0a72935660b5f38b9c981432195892853e798e0c07e637bd9e3bcf90e12987_amd64RHSA-2026:20943
Fixed in:updater-rhel9@sha256:8b6661e4b32182e73a31330ce37e75c1e61186d5d11d64413545ef2396a891ff_s390xRHSA-2026:20947
registry.redhat.io/openshift-gitops-1/argocd-imageRocky
Fixed in:updater-rhel9@sha256:2c10fa9cb8012acd7768c1852239783d6e39e4b3845c180498179a9c275e1e78_arm64RHSA-2026:20947
Fixed in:updater-rhel9@sha256:9707ca205f8ef70c1c717b69def8a97fc073fb4f107a770bbae5052bd259e86e_amd64RHSA-2026:20947
Fixed in:updater-rhel8@sha256:4c0a72935660b5f38b9c981432195892853e798e0c07e637bd9e3bcf90e12987_amd64RHSA-2026:20943
Fixed in:updater-rhel9@sha256:8b6661e4b32182e73a31330ce37e75c1e61186d5d11d64413545ef2396a891ff_s390xRHSA-2026:20947
Fixed in:updater-rhel9@sha256:aa23e3d5ec1b30db7e637f872f68915c6b6144f1ebea8d229c54a79c92a84c7b_ppc64leRHSA-2026:20947
Fixed in:updater-rhel8@sha256:021a2b93438ab7a0cdb1ee15ce32c38cccb556802203b7f79604b21fde0dfe38_ppc64leRHSA-2026:20943
Fixed in:updater-rhel8@sha256:c769040e7b362ea4918e077b1481b1059fbf5d762b8e2444631d3e08d391434a_arm64RHSA-2026:20943
Fixed in:updater-rhel8@sha256:0c81eedce2f08c304fea9aa8662fed9f845ac13638bca8f5a9b1684819dc207e_s390xRHSA-2026:20943
registry.redhat.io/openshift-gitops-1/consoleRed Hat / RHEL
Fixed in:plugin-rhel9@sha256:3ecda0a790ad27a0ee994f20c57e67e084bbd6da7ca25606a571a4451441f666_arm64RHSA-2026:20947
Fixed in:plugin-rhel8@sha256:c3a631bdb8c4805a7a82cf3a81b010a2dd4fb837e9cddf3bad0720c6307c2996_ppc64leRHSA-2026:20943
Fixed in:plugin-rhel8@sha256:781e28a4fd1e3e49d0964a7cc23f35419ef82a8b58681fed0b52c959a796abe9_s390xRHSA-2026:20943
Fixed in:plugin-rhel9@sha256:1daea453dafe60848af52b13ffd92703cc826337ba38e8464888f9dc457288f6_s390xRHSA-2026:20947
Fixed in:plugin-rhel9@sha256:03b2aecd6940db2ec188236c3c01a82aa837f8029842223814bea1ecfbbb8528_amd64RHSA-2026:20947
Fixed in:plugin-rhel9@sha256:94dc69ec5613bb951d023fb8c3d02a24c22bdc8bbb43006a3545619eaa5aa76f_ppc64leRHSA-2026:20947
Fixed in:plugin-rhel8@sha256:867432aa79ea7b612d90e6a6a2e3a16cb14f9d4a0ad22f2358f2809cb717e8a9_amd64RHSA-2026:20943
Fixed in:plugin-rhel8@sha256:de5acfcacf2d7ddc3a32c3eb8ca542d52bbe59b2fcd06b88b0e1a2508d539635_arm64RHSA-2026:20943
registry.redhat.io/openshift-gitops-1/consoleRocky
Fixed in:plugin-rhel9@sha256:94dc69ec5613bb951d023fb8c3d02a24c22bdc8bbb43006a3545619eaa5aa76f_ppc64leRHSA-2026:20947
Fixed in:plugin-rhel9@sha256:3ecda0a790ad27a0ee994f20c57e67e084bbd6da7ca25606a571a4451441f666_arm64RHSA-2026:20947
Fixed in:plugin-rhel9@sha256:03b2aecd6940db2ec188236c3c01a82aa837f8029842223814bea1ecfbbb8528_amd64RHSA-2026:20947
Fixed in:plugin-rhel8@sha256:781e28a4fd1e3e49d0964a7cc23f35419ef82a8b58681fed0b52c959a796abe9_s390xRHSA-2026:20943
Fixed in:plugin-rhel8@sha256:867432aa79ea7b612d90e6a6a2e3a16cb14f9d4a0ad22f2358f2809cb717e8a9_amd64RHSA-2026:20943
Fixed in:plugin-rhel8@sha256:de5acfcacf2d7ddc3a32c3eb8ca542d52bbe59b2fcd06b88b0e1a2508d539635_arm64RHSA-2026:20943
Fixed in:plugin-rhel8@sha256:c3a631bdb8c4805a7a82cf3a81b010a2dd4fb837e9cddf3bad0720c6307c2996_ppc64leRHSA-2026:20943
Fixed in:plugin-rhel9@sha256:1daea453dafe60848af52b13ffd92703cc826337ba38e8464888f9dc457288f6_s390xRHSA-2026:20947
registry.redhat.io/openshift-gitops-1/gitopsRed Hat / RHEL
Fixed in:rhel9-operator@sha256:1baf0b204c70ef606f61550d3c27f8955e0e62fcefe1d28da78d8deccadf7a1b_s390xRHSA-2026:20947
Fixed in:operator-bundle@sha256:b89210f76c58360210437f48dbde51d298ab1eb30cd2b77fb93c0e84dc8740c1_amd64RHSA-2026:20947
Fixed in:rhel9-operator@sha256:3ec3e316e5d9abc039c7b706d05bcb8aaf9b196272769634de7967963d15e473_ppc64leRHSA-2026:20947
Fixed in:rhel8-operator@sha256:4faa0e4d78fe939ba1feb445bb58512ace91cbe27c09700f18ea04c52085b824_ppc64leRHSA-2026:20943
Fixed in:rhel9-operator@sha256:8c555f4b93120f2e7ca4aa7afc76910bf0400ea1372c525b07d1ecd667ab33c1_arm64RHSA-2026:20947
Fixed in:rhel8-operator@sha256:71a3c5c90900a45901d2a692ebe54f1701a80ca68a6d2f56176e9b318156a441_arm64RHSA-2026:20943
Fixed in:rhel8-operator@sha256:f5225ac218e3b2c0a5a83cbca02102199ae9ee8d3befe2aa51c38ed7218ed59c_amd64RHSA-2026:20943
Fixed in:operator-bundle@sha256:c41e74df4743068317457d2db0209e08be023758add611f49769900e58299a93_amd64RHSA-2026:20943
registry.redhat.io/openshift-gitops-1/gitopsRocky
Fixed in:operator-bundle@sha256:c41e74df4743068317457d2db0209e08be023758add611f49769900e58299a93_amd64RHSA-2026:20943
Fixed in:rhel9-operator@sha256:8c555f4b93120f2e7ca4aa7afc76910bf0400ea1372c525b07d1ecd667ab33c1_arm64RHSA-2026:20947
Fixed in:rhel8-operator@sha256:71a3c5c90900a45901d2a692ebe54f1701a80ca68a6d2f56176e9b318156a441_arm64RHSA-2026:20943
Fixed in:rhel8-operator@sha256:5e4639ee0f9205d3d23b9bb6e619b9486380242c10a0322372f0c050a49cd26f_s390xRHSA-2026:20943
Fixed in:rhel9-operator@sha256:3ec3e316e5d9abc039c7b706d05bcb8aaf9b196272769634de7967963d15e473_ppc64leRHSA-2026:20947
Fixed in:rhel8-operator@sha256:4faa0e4d78fe939ba1feb445bb58512ace91cbe27c09700f18ea04c52085b824_ppc64leRHSA-2026:20943
Fixed in:rhel9-operator@sha256:a73af073c445b1b3cddbbfb9486ca69f7b3e406703641c1f18de720a16482185_amd64RHSA-2026:20947
Fixed in:rhel9-operator@sha256:1baf0b204c70ef606f61550d3c27f8955e0e62fcefe1d28da78d8deccadf7a1b_s390xRHSA-2026:20947
registry.redhat.io/openshift-gitops-1/mustRocky
Fixed in:gather-rhel9@sha256:53fa2f326d7c3674e8343414a920aab142351331ca4905c21f6feec02c6df5e5_amd64RHSA-2026:20947
Fixed in:gather-rhel9@sha256:180ffcba7c7f4b3b9a81296b48da243a38128fdd5c11aa2235f1eadf05996af1_arm64RHSA-2026:20947
Fixed in:gather-rhel8@sha256:fd60effbb7119ef8c9adc580ae8d6751e2ccba7ce0463e604573e8c284d8eb3d_amd64RHSA-2026:20943
Fixed in:gather-rhel9@sha256:6909137ec06f78f1bc35227b0dbf973f74695183e0cf439365af6035fbdeb15b_ppc64leRHSA-2026:20947
Fixed in:gather-rhel9@sha256:5c1c3585ae2e9b96e904df231b6d7e38d2fb875d4736d9ed313313d43034881c_s390xRHSA-2026:20947
Fixed in:gather-rhel8@sha256:63026c01695ae0adb5ce36116198a3fe13007139d7bf9f3b46f617a3c608f04e_arm64RHSA-2026:20943
Fixed in:gather-rhel8@sha256:804d00db5272cc3cf81aeae51dd561659782ccd0ef9e6e0b50e9f7e3531496f6_ppc64leRHSA-2026:20943
Fixed in:gather-rhel8@sha256:f0e3a4dd6fcc53ea7dd01da97ce572b621e085e2e0097e931a61c5a06a972add_s390xRHSA-2026:20943
registry.redhat.io/openshift-gitops-1/mustRed Hat / RHEL
Fixed in:gather-rhel9@sha256:53fa2f326d7c3674e8343414a920aab142351331ca4905c21f6feec02c6df5e5_amd64RHSA-2026:20947
Fixed in:gather-rhel8@sha256:63026c01695ae0adb5ce36116198a3fe13007139d7bf9f3b46f617a3c608f04e_arm64RHSA-2026:20943
Fixed in:gather-rhel8@sha256:804d00db5272cc3cf81aeae51dd561659782ccd0ef9e6e0b50e9f7e3531496f6_ppc64leRHSA-2026:20943
Fixed in:gather-rhel9@sha256:6909137ec06f78f1bc35227b0dbf973f74695183e0cf439365af6035fbdeb15b_ppc64leRHSA-2026:20947
Fixed in:gather-rhel8@sha256:f0e3a4dd6fcc53ea7dd01da97ce572b621e085e2e0097e931a61c5a06a972add_s390xRHSA-2026:20943
Fixed in:gather-rhel9@sha256:5c1c3585ae2e9b96e904df231b6d7e38d2fb875d4736d9ed313313d43034881c_s390xRHSA-2026:20947
Fixed in:gather-rhel9@sha256:180ffcba7c7f4b3b9a81296b48da243a38128fdd5c11aa2235f1eadf05996af1_arm64RHSA-2026:20947
Fixed in:gather-rhel8@sha256:fd60effbb7119ef8c9adc580ae8d6751e2ccba7ce0463e604573e8c284d8eb3d_amd64RHSA-2026:20943

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Exploit Intelligence

0.51%probability of exploitation in 30 days
42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Exploit1

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CVE-2018-11409Medium5.398%--
CVE-2021-41277Critical10.097%KEV-
CVE-2016-2183High7.596%-Fix

Common questions

How do I fix CVE-2026-42880?

Published advisories record a fix for 14 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-42880 being actively exploited?

Not that we know of. CVE-2026-42880 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.51% is the estimated probability that it will be exploited in the next 30 days. That is higher than 42% of all scored CVEs.

How severe is CVE-2026-42880?

CVE-2026-42880 has a CVSS v3 base score of 9.6, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-42880 affect?

Published advisories record a fix for registry.redhat.io/openshift-gitops (Rocky), registry.redhat.io/openshift-gitops (Red Hat / RHEL), registry.redhat.io/openshift-gitops-1/argo (Red Hat / RHEL), registry.redhat.io/openshift-gitops-1/argo (Rocky), and 10 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-09-07.