CVE-2026-81892
EasyAdmin path-based access_control bypass lets low-privilege users invoke other controllers
Is CVE-2026-81892 being exploited?
Not confirmed. CVE-2026-81892 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.25% probability of exploitation in the next 30 days.
How severe is CVE-2026-81892?
CVE-2026-81892 is rated High. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-81892?
Yes. A fix has been recorded for CVE-2026-81892. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-81892 affect?
CVE-2026-81892 affects EasyAdminBundle (Symfony) < 4.29.16, EasyAdminBundle (Symfony) < 5.5.1, Symfony apps using EasyAdmin custom Action::linkToRoute()/MenuItem::linkToRoute(). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-81892?
Upgrade to EasyAdmin 4.29.16 or 5.5.1 and validate route access controls
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Low-privilege backend user can bypass path-based access_control and execute arbitrary route controllers on affected EasyAdmin installs.
Immediate action required
- affected>= 4.0.0 and < 4.29.16
- affected>= 5.0.0 and < 5.5.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.