CVE-2026-50157
MEDIUMDescription
Auth0 Symfony is a Symfony SDK for Auth0 Authentication and Management APIs. From 5.0.0-BETA0 until 5.9.0, the Authorizer::authenticate() and Authorizer::supports() paths in the Authorizer security authenticator may accept OAuth 2.0 bearer access tokens from the token URL query parameter as well as the Authorization header for protected HTTP routes. Query-string tokens can be recorded in server logs, browser history, or referrer data and then replayed against protected API endpoints. This issue is fixed in version 5.9.0.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
TridentStack Control tracks known vulnerabilities across your Windows, macOS, and Linux fleet and shows the fix as soon as one is published. See how it works
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploit Intelligence
Moderate risk: more likely to be exploited than 41% of all known CVEs.
References
Related Vulnerabilities
Other CWE-598 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2025-3943 | Medium | 4.1 | 10% | - | - |
| CVE-2017-3185 | Critical | 9.8 | 3.2% | - | - |
| CVE-2018-14822 | Critical | 9.8 | 2.9% | - | - |
| CVE-2018-5467 | Medium | 6.5 | 1.3% | - | - |
| CVE-2023-6014 | Critical | 9.8 | 1.2% | - | - |
| CVE-2017-9280 | Medium | 4.3 | 1.1% | - | Fix |
Common questions
How do I fix CVE-2026-50157?
No published fix for CVE-2026-50157 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-50157 being actively exploited?
Not that we know of. CVE-2026-50157 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.50% is the estimated probability that it will be exploited in the next 30 days. That is higher than 41% of all scored CVEs.
How severe is CVE-2026-50157?
CVE-2026-50157 has a CVSS v3 base score of 6.5, rated medium. 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.
Embed a live status badge for CVE-2026-50157
Markdown
[](https://tridentstack.com/cve/CVE-2026-50157)HTML
<a href="https://tridentstack.com/cve/CVE-2026-50157"><img src="https://tridentstack.com/cve/badge/CVE-2026-50157.svg" alt="CVE-2026-50157"></a>Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
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 2026-09-14.