CVE-2026-40928: WWBN AVideo is an open source video platform

Q: How do I fix CVE-2026-40928?

avideo: upgrade to newer than 29.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-40928 being exploited?

CVE-2026-40928 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-40928 affect?

CVE-2026-40928 affects avideo. Severity is medium (CVSS 5.4). WWBN AVideo is an open source video platform. In versions 29.0 and prior, multiple AVideo JSON endpoints under `objects/` accept state-changing requests via `$_REQUEST`/`$_GET` and persist changes tied to the caller's session user, without

Q: How urgent is CVE-2026-40928?

Priority 24/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2026-40928 is a medium-severity flaw (CVSS 5.4) affecting avideo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

WWBN AVideo is an open source video platform. In versions 29.0 and prior, multiple AVideo JSON endpoints under `objects/` accept state-changing requests via `$_REQUEST`/`$_GET` and persist changes tied to the caller's session user, without any anti-CSRF token, origin check, or referer check. A malicious page visited by a logged-in victim can silently cast/flip the victim's like/dislike on any comment (`objects/comments_like.json.php`), post a com

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.1% (top 98%)
CISA exploited list	No
Weakness	CWE-352
Published	2026-04-21
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: wwbn

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-21 23:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

wwbn avideo UPGRADE

Affected: <= 29.0

Fixed in: newer than 29.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy avideo || rpm -q avideo || avideo --version

2. UPGRADE to newer than 29.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade avideo

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade avideo

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-40928?

avideo: upgrade to newer than 29.0. Exact commands for each OS are on this page.

Is CVE-2026-40928 being exploited?

CVE-2026-40928 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-40928 affect?

CVE-2026-40928 affects avideo. Severity is medium (CVSS 5.4). WWBN AVideo is an open source video platform. In versions 29.0 and prior, multiple AVideo JSON endpoints under `objects/` accept state-changing requests via `$_REQUEST`/`$_GET` and persist changes tied to the caller's session user, without

How urgent is CVE-2026-40928?

Priority 24/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-41304 CRITICAL 9.8 UPGRADE WWBN AVideo is an open source video platform
CVE-2026-40911 CRITICAL 10.0 UPGRADE WWBN AVideo is an open source video platform
CVE-2026-34374 CRITICAL 9.1 UPGRADE WWBN AVideo is an open source video platform
CVE-2026-33767 HIGH 8.8 UPGRADE WWBN AVideo is an open source video platform
CVE-2026-41062 MEDIUM 6.5 UPGRADE WWBN AVideo is an open source video platform

References

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