CVE-2026-126542
What it is
WWBN AVideo 6.5 through 29.7.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as any user via Hybridauth social login display names. Attackers can set their X, Facebook, Yahoo or LinkedIn display name to a victim's username and withhold email, causing login.json.php or oauth2.php to log them in as that account, including administrators, without a password.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: not scored yet.
- Severity: 9.3 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Weakness
- CWE-290
- Record status
- Deferred
Attack profile CVSS 4.0 · 9.3
- Attack vector
- Network
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- None
- User interaction
- None
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-126542.md and follow it. Check whether this project is affected by CVE-2026-126542. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/WWBN/AVideo/commit/d34ccf23b37a127a68478d66ac00b450b5788bad
- https://github.com/WWBN/AVideo/security/advisories/GHSA-9rvm-cfc4-q9g9
References
- https://github.com/WWBN/AVideo/blob/v29.7.1/objects/login.json.php#L133-L145
- https://github.com/WWBN/AVideo/blob/v29.7.1/plugin/MobileManager/oauth2.php#L90-L102
- https://github.com/WWBN/AVideo/commit/d34ccf23b37a127a68478d66ac00b450b5788bad
- https://github.com/WWBN/AVideo/security/advisories/GHSA-9rvm-cfc4-q9g9
- https://www.vulncheck.com/advisories/wwbn-avideo-6.5-through-29.7.1-authentication-bypass-via-hybridauth-social-login