ETK-2026-4234Zero's internal tracking ID, independent of the CVE number.
waiting for further signalsZero needs more public information before it can validate it.description
AVideo deployments using the Permissions plugin are believed affected across released versions. A user with the delegated Videos Admin permission can elevate to an administrator session by abusing authorization for video-owner credentials, particularly where an administrator-owned video is available.
mitigation
Remove the Videos Admin permission from untrusted accounts and restrict access to the affected encoder-related endpoints to trusted workflows. Monitor for an upstream update and apply it promptly; no fixed version is recorded.
outcome
Contextual, not validated: no deterministic check could cover this one, and no technique passed our review.
source signals
Public signals that triggered or updated the pipeline. These are inputs for the deltas above.
- 2026-11-11 14:36Zghsa: trigger signal, started the run
- 2026-11-11 14:36Z
this entry in the feed
GET /api/v1/feed/ETK-2026-4234
{ "etk_id": "ETK-2026-4234", "cve_id": null, "display_id": "ETK-2026-4234", "ghsa_id": "GHSA-8wjr-gw73-9f2g", "euvd_id": null, "status": "published", "anchor_state": "awaiting_cve", "title": "Authenticated privilege escalation in AVideo encoder authorization", "summary": "AVideo deployments using the Permissions plugin are believed affected across released versions. A user with the delegated Videos Admin permission can elevate to an administrator session by abusing authorization for video-owner credentials, particularly where an administrator-owned video is available.", "mitigation": "Remove the Videos Admin permission from untrusted accounts and restrict access to the affected encoder-related endpoints to trusted workflows. Monitor for an upstream update and apply it promptly; no fixed version is recorded.", "vendor": "php", "product": "WWBN/AVideo", "affected": [ { "affected_notes": [], "affected_ranges": [ "<= 29.7.1" ], "ecosystem": "php", "fixed_versions": [], "package_name": "WWBN/AVideo", "purl": null } ], "cwes": [ 863 ], "cvss_score": 7.2, "cvss_src": "cna_vendor", "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "epss_score": null, "epss_percentile": null, "epss_asof": null, "automation": "contextual", "check": false, "check_confidence_basis": null, "exploit": false, "pipeline_minutes": 67.48908965, "t0_at": null, "signals": { "public_poc": { "at": "2026-11-11T14:36:13+00:00", "days": -0.46467695525462965, "is_lower_bound": true, "measured_at": "2026-11-12T01:45:21.134853+00:00", "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-8wjr-gw73-9f2g" }, "trigger_signal": { "at": "2026-11-11T14:36:13+00:00", "days": -0.46467695525462965, "is_lower_bound": true, "measured_at": "2026-11-12T01:45:21.134853+00:00", "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-8wjr-gw73-9f2g" } } }
published 2026-11-12 00:26Z
last change 2026-11-12 01:43Z
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