CVE-2026-85511
MEDIUMCVSS 4.2/10EPSS 0.28%
Last modified
CVE-2026-85511 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. A flaw was found in EAP's Elytron. An EAP application whose security domain is backed by an Elytron token-realm with oauth2-introspection would allow parameter substitution due to missing URL encoding.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
A flaw was found in EAP's Elytron. An EAP application whose security domain is backed by an Elytron token-realm with oauth2-introspection would allow parameter substitution due to missing URL encoding.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | All versions |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | All versions |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | All versions |
| Red Hat | Red Hat Data Grid 8 | All versions |
| Red Hat | Red Hat Fuse 7 | All versions |
| Red Hat | Red Hat Single Sign-On 7 | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-85511?
A flaw was found in EAP's Elytron. An EAP application whose security domain is backed by an Elytron token-realm with oauth2-introspection would allow parameter substitution due to missing URL encoding.
How severe is CVE-2026-85511?
CVE-2026-85511 has a CVSS score of 4.2/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2026-85511?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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-2026-85505ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer …7.5
- CVE-2026-85506ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer …9.8
- CVE-2026-85507ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer …9.8
- CVE-2026-85508ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer …9.8
- CVE-2026-85509FreeIPMI before 1.6.19 has a stack-based buffer overflow in …9.8
- CVE-2026-8551Use after free in Downloads in Google Chrome prior to 148.0.…8.8
- CVE-2026-85512A security flaw has been discovered in SourceCodester Class …7.3
- CVE-2026-85513A weakness has been identified in StackStorm st2 up to 3.9.0…6.3
- CVE-2026-85514A security vulnerability has been detected in StackStorm st2…6.3
- CVE-2026-85516A vulnerability was detected in code-projects Vehicle Manage…7.3
- CVE-2026-85517A flaw has been found in code-projects Vehicle Management Sy…5.3
- CVE-2026-8552Heap buffer overflow in GPU in Google Chrome on Android prio…4.3
Are you affected by CVE-2026-85511?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST