CVE-2026-81892

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.1 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 83% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

EasyAdmin is a fast and modern admin generator for Symfony applications. From 4.0.0 until 4.29.16 and 5.5.1, EasyAdmin serves all backend requests through a single dashboard route and, for custom actions (Action::linkToRoute() and MenuItem::linkToRoute()), swaps the executed controller based on the routeName query parameter on the kernel.controller event. The swap happens after Symfony's security firewall has already evaluated access_control against the original dashboard URL, and the routeName value was not validated. As a result, a path-based access_control rule protecting the target route was never evaluated, so a low-privilege backend user who can reach a single EasyAdmin URL and knows a target route's name can execute that route's controller, bypassing the path-based rule. Only path-based protections are bypassed. Routes whose controller enforces its own authorization with #[IsGranted] or denyAccessUnlessGranted() remain protected because those checks are recomputed against the swapped-in controller. This issue is fixed in versions 4.29.16 and 5.5.1.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
17%
KEV
Not listed

Published

August 31, 2026

Last Modified

September 9, 2026

Advisory Details (5)

Auto-updated Aug 31, 2026
Patch available. Sources: github, github_commit, github_release.
github_release Patch Available

5.5.1

Patch available: EasyCorp/EasyAdminBundle v5.5.1

https://github.com/EasyCorp/EasyAdminBundle/releases/tag/v5.5.1
github_release Patch Available

4.29.16

Patch available: EasyCorp/EasyAdminBundle v4.29.16

https://github.com/EasyCorp/EasyAdminBundle/releases/tag/v4.29.16
github_commit Patch Available

commit 6228dfef598d (EasyCorp/EasyAdminBundle)

Patch available: EasyCorp/EasyAdminBundle v4.29.16 (contains commit 6228dfef598d)

https://github.com/EasyCorp/EasyAdminBundle/commit/6228dfef598d81eeb0baa35625e50812f3c77699
github_commit Patch Available

commit 03be45c6b721 (EasyCorp/EasyAdminBundle)

Patch available: EasyCorp/EasyAdminBundle v5.5.1 (contains commit 03be45c6b721)

https://github.com/EasyCorp/EasyAdminBundle/commit/03be45c6b7213c4c984a1d0542b7ec60359329f8
github Patch Available

EasyAdmin custom-action dispatcher bypasses access_control on other routes · Advisory · EasyCorp/EasyAdminBundle · GitHub

https://github.com/EasyCorp/EasyAdminBundle/security/advisories/GHSA-g2fm-8hr4-j82h

Vendor Advisories for CVE-2026-81892(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
easycorp/easyadmin-bundlev5.0.0 ... v5.5.0 (22 versions)5.5.1—

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 34× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-19 17:35 UTCEG score recompute
  2. 2026-09-19 06:22 UTCEG score recompute
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-17 20:47 UTCEG score recompute
  5. 2026-09-16 21:56 UTCEG score recompute
  6. 2026-09-16 14:08 UTCEPSS rescore
  7. 2026-09-16 10:45 UTCEG score recompute
  8. 2026-09-16 05:15 UTCEPSS rescore
  9. 2026-09-15 11:45 UTCEG score recompute
  10. 2026-09-15 03:12 UTCEPSS rescore
  11. 2026-09-15 03:12 UTCEPSS rescore
  12. 2026-09-14 02:07 UTCEG score recompute
  13. 2026-09-12 16:26 UTCEG score recompute
  14. 2026-09-11 18:02 UTCEG score recompute
  15. 2026-09-11 14:53 UTCEPSS rescore
  16. 2026-09-11 14:53 UTCEPSS rescore
  17. 2026-09-10 19:38 UTCEG score recompute
  18. 2026-09-09 00:36 UTCEG score recompute
  19. 2026-09-08 22:01 UTCEPSS rescore
  20. 2026-09-08 02:10 UTCEG score recompute
  21. 2026-09-06 14:02 UTCEG score recompute
  22. 2026-09-06 13:48 UTCEPSS rescore
  23. 2026-09-05 15:38 UTCEG score recompute
  24. 2026-09-05 15:31 UTCEPSS rescore
  25. 2026-09-04 17:14 UTCEG score recompute
Show 9 more
  1. 2026-09-03 18:49 UTCEG score recompute
  2. 2026-09-03 18:05 UTCEG score recompute
  3. 2026-09-02 20:02 UTCEG score recompute
  4. 2026-09-02 14:12 UTCEPSS rescore
  5. 2026-09-01 19:47 UTCEG score recompute
  6. 2026-09-01 13:54 UTCEPSS rescore
  7. 2026-08-31 21:21 UTCEG score recompute
  8. 2026-08-31 20:40 UTCEG score recompute
  9. 2026-08-31 20:39 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-81892?
CVE-2026-81892 is a high vulnerability published on August 31, 2026. EasyAdmin is a fast and modern admin generator for Symfony applications. From 4.0.0 until 4.29.16 and 5.5.1, EasyAdmin serves all backend requests through a single dashboard route and, for custom actions (Action::linkToRoute() and MenuItem::linkToRoute()), swaps the executed controller based on the…
When was CVE-2026-81892 disclosed?
CVE-2026-81892 was first published in the National Vulnerability Database on August 31, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-81892 actively exploited?
CVE-2026-81892 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 83.3% of all scored CVEs.
What is the CVSS score of CVE-2026-81892?
CVE-2026-81892 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-81892?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-81892, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-81892

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