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Not in CISA KEV
HIGH severity

CVE-2026-88876

HIGH

CVE-2026-88876 is a high-severity (CVSS 7.5) Information Exposure vulnerability. O3 Security confirms whether CVE-2026-88876 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

AVideo through revision c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerability in plugin/PlayerSkins/seo.php that allows unauthenticated attackers to…

Published
Sep 10, 2026
Updated
Sep 10, 2026
Affected
0 pkgs
Patched
None yet
Exploits
None indexed
Exploitation data as of Sep 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Description

AVideo through revision c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerability in plugin/PlayerSkins/seo.php that allows unauthenticated attackers to access password-protected video sources by calling getSources() without password validation. Attackers can request the seo.php endpoint with a video ID to obtain the direct MP4 URL and read protected media bytes without supplying the configured password.

Detection & mitigation playbook

Vulnerability
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for the affected component. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Remediation status

    No patched version of the affected component has shipped for CVE-2026-88876 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether CVE-2026-88876 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to CVE-2026-88876. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

AVideo through revision c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerability in plugin/PlayerSkins/seo.php that allows unauthenticated attackers to access password-protected video sources by calling getSources() without password validation. Attackers can request the seo.php endpoint with a video ID to obtain the direct MP4 URL and read protected media bytes without supplying the configured password.
O3 Security · Impact-Aware SCA

Is CVE-2026-88876 in your dependencies?

O3 detects CVE-2026-88876 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

CVE-2026-88876: Information Exposure (High… | O3 Security