CVE-2026-59301

Q: How do I fix CVE-2026-59301?

Upgrade spring cloud function to 4.3.5 or later.

Q: Is CVE-2026-59301 being actively exploited?

Not that we know of. CVE-2026-59301 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.17% is the estimated probability that it will be exploited in the next 30 days. That is higher than 6% of all scored CVEs.

Q: How severe is CVE-2026-59301?

CVE-2026-59301 has a CVSS v3 base score of 3.1, rated low. 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.

Q: What does CVE-2026-59301 affect?

Published advisories record a fix for spring cloud function (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

LOW

3.1

CVSS v3

NVD

Description

Potential for logging sensitive data in Spring Cloud Function Azure. Spring Cloud Function 5.0.0 - 5.0.3 Spring Cloud Function 4.3.0 - 4.3.4 Spring Cloud Function 4.2.0 - 4.2.7

CWE-532

How to fix

Remediation Available

spring cloud functionNVD

Affected:>= 4.3.0, < 4.3.5Fixed in:4.3.5CVE-2026-59301derived from NVD

Affected:>= 5.0.0, < 5.0.4Fixed in:5.0.4CVE-2026-59301derived from NVD

Affected:>= 4.2.0, < 4.2.8Fixed in:4.2.8CVE-2026-59301derived from NVD

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 ComplexityHigh

Privileges RequiredHigh

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.17%probability of exploitation in 30 days

6thpercentile

Low risk: more likely to be exploited than 6% of all known CVEs.

References

Patch1

spring.io

Related Vulnerabilities

Other CWE-532 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-1622	Medium	5.3	79%	-	-
CVE-2020-35234	High	7.5	65%	-	Fix
CVE-2023-43261	High	7.5	60%	-	Fix
CVE-2024-20440	High	7.5	52%	-	-
CVE-2018-3609	High	8.1	21%	-	-
CVE-2018-8719	Medium	5.3	16%	-	-

Common questions

How do I fix CVE-2026-59301?

Upgrade spring cloud function to 4.3.5 or later.

Is CVE-2026-59301 being actively exploited?

Not that we know of. CVE-2026-59301 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.17% is the estimated probability that it will be exploited in the next 30 days. That is higher than 6% of all scored CVEs.

How severe is CVE-2026-59301?

CVE-2026-59301 has a CVSS v3 base score of 3.1, rated low. 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-2026-59301 affect?

Published advisories record a fix for spring cloud function (NVD). 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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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 2026-09-04.