AVideo has Unauthenticated Information Disclosure of User Group Permission Mappings via Permissions Plugin

published 2026-03-20 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-13917 , GHSA-96qp-8cmq-jvq8

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 39%
public exploits: 0; none known

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the endpoint `plugin/Permissions/View/Users_groups_permissions/list.json.php` lacks any authentication or authorization check, allowing unauthenticated users to retrieve the complete permission matrix mapping user groups to plugins. All sibling endpoints in the same directory (`add.json.php`, `delete.json.php`, `index.php`) properly require `User::isAdmin()`, indicating this is an oversight. Commits dc3c825734628bb32550d0daa125f05bacb6829c and b583acdc9a9d1eab461543caa363e1a104fb4516 contain patches.

Patch / fix

links 2

github.com/WWBN/AVideo@b583acd commit
github.com/WWBN/AVideo@dc3c825 commit

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 7 mo ago (2026-03-25)

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/WWBN/AVideo/security/advisories/GHSA-96qp-8cmq-jvq8 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
GitHub	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	wwbn/avideo	<=26.0	no fix listed

Affected products

WWBN AVideo

Classification

Weakness

CWE-862 Missing Authorization

References

github.com /WWBN/AVideo/commit/b583acdc9a9d1eab461543caa363e1a104fb4516
web, patch
github.com /WWBN/AVideo/commit/dc3c825734628bb32550d0daa125f05bacb6829c
web, patch
github.com /WWBN/AVideo/security/advisories/GHSA-96qp-8cmq-jvq8
web, exploit, mitigation, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2026-33501
advisory
github.com /WWBN/AVideo
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary