CVE-2026-92586 WWBN CVE debrief

Who should care

Defenders responsible for video content management systems, particularly those using AVideo, should assess exposure and verify video access permissions. This includes security teams, vulnerability management teams, and operators responsible for maintaining video content. They should prioritize verifying video access permissions and restricting comment posting to authorized users to prevent unauthorized content modification or information disclosure.

Why it matters

AVideo through version 29.0 fails to verify video access permissions, allowing authenticated users to post comments on password-protected and group-restricted videos. Defenders should prioritize verifying video access permissions and restricting comment posting to authorized users. The vulnerability has a CVSS score of 5.3 and is publicly disclosed, but additional information on affected versions and remediation is needed.

• Authenticated users can post comments on restricted videos, potentially leading to information disclosure or unauthorized content modification
• Defenders need to verify video access permissions and restrict comment posting to authorized users
• Remediation priority is medium, as the vulnerability has a CVSS score of 5.3 and is publicly disclosed

Technical summary

The set_api_comment function in AVideo through version 29.0 does not verify video access permissions, allowing authenticated users to post comments on password-protected and group-restricted videos. This vulnerability has a CVSS score of 5.3 and is publicly disclosed. The vulnerability affects video content management systems, particularly those using AVideo, and defenders should prioritize verifying video access permissions and restricting comment posting to authorized users. The technical impact is that attackers can submit POST requests to the comment API endpoint with arbitrary video IDs to write comments on videos they cannot watch.

Defensive priority

Defenders should prioritize verifying video access permissions and restricting comment posting to authorized users.

Recommended defensive actions

• Verify video access permissions and restrict comment posting to authorized users
• Review and update access controls for video content
• Monitor for suspicious comment activity on password-protected and group-restricted videos
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but additional information on affected versions and remediation is needed. The vulnerability has a CVSS score of 5.3 and is publicly disclosed. Defenders should verify video access permissions and restrict comment posting to authorized users. The source details are limited, and explicit evidence-limit language and defensive verification tasks are required to ensure accurate assessment and remediation.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.