CVE-2026-49331
Last modified
CVE-2026-49331 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A flaw was found in openshift/oauth-proxy. On paths configured to bypass authentication (skip-auth-regex), the proxy forwards client-supplied identity headers (X-Forwarded-User, X-Forwarded-Email, X-Forwarded-Access-Token) to the upstream application without stripping them. EPSS estimates a 0.13% chance of exploitation in the next 30 days.
Description
A flaw was found in openshift/oauth-proxy. On paths configured to bypass authentication (skip-auth-regex), the proxy forwards client-supplied identity headers (X-Forwarded-User, X-Forwarded-Email, X-Forwarded-Access-Token) to the upstream application without stripping them. An unauthenticated attacker can inject forged identity headers on whitelisted paths.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat OpenShift Container Platform 4 | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-49331?
How severe is CVE-2026-49331?
How do I fix CVE-2026-49331?
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-49323Weak authentication between the Wireless Control Module (WCM…4.3
- CVE-2026-49324Uncontrolled resource consumption in the Wireless Control Mo…4.6
- CVE-2026-49325Improper handling of physical conditions in the bike-shutdow…4.6
- CVE-2026-49326Missing Authorization vulnerability in Apache HBase thrift a…6.5
- CVE-2026-49328Server-Side Request Forgery (SSRF) in the UrlImageConverter …5.3
- CVE-2026-4933Incorrect Authorization vulnerability in Drupal Unpublished …7.5
- CVE-2026-49332A flaw was found in openshift/oauth-proxy. The proxy sets au…8.5
- CVE-2026-49336@microsoft/kiota-http-fetchlibrary provides TypeScript libra…5.5
- CVE-2026-49337libde265 is an open source implementation of the h.265 video…4.3
- CVE-2026-49338gonic is a music streaming server / free-software subsonic s…7.1
- CVE-2026-49339gonic is a music streaming server / free-software subsonic s…7.1
- CVE-2026-49340gonic is a music streaming server / free-software subsonic s…8.1
Are you affected by CVE-2026-49331?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
