CVE-2026-85511
MEDIUM 4.2 ALL-YEARSA 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.
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.3%chance of exploitation in 30 days · 19th percentile
Impact if exploited
4.2CVSS 3.1 · MEDIUM · CNA
- ConfidentialityLow
- IntegrityLow
- AvailabilityNone
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ⚠Privileges: Requires a low-privilege account
- ✓User interaction: No user interaction needed
- ⚠Complexity: Needs a race window or specific setup
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept & exploit code
No public exploit or proof-of-concept code is catalogued for this CVE (no ExploitDB, Nuclei, or CISA-KEV entry). It may still exist — search GitHub or check the references below.
Affected
Products Red Hat Jboss Enterprise Application Platform 8.1 For Rhel 10 Red Hat Jboss Enterprise Application Platform 8.1 For Rhel 8 Red Hat Jboss Enterprise Application Platform 8.1 For Rhel 9 Red Hat Data Grid 8 Red Hat Fuse 7 Red Hat Jboss Enterprise Application Platform 7 Red Hat Jboss Enterprise Application Platform Expansion Pack Red Hat Single Sign On 7
Weakness (CWE)
- CWE-290: Authentication Bypass by Spoofing
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
All CVSS metrics
- MEDIUM 4.2 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N - MEDIUM 4.2 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N