In Rocket.Chat <8.3.0, <8.2.1, <8.1.2, <8.0.3, <7.13.5, <7.12.6, <7.11.6, and <7.10.9, a NoSQL injection vulnerability can lead to account takeover of the first user with a generated token when an OAuth app is configured.
Fix
Public exploits 1
- hieuminhnv/CVE-2026-29198-POC PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Patch, vendor advisory and mitigation references on NVD 1
- https://github.com/RocketChat/Rocket.Chat/pull/39492 Issue Tracking, Patch
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 9.8 · rocket.chatNVD modified 2026-10-23 23:10
Affected (CPE criteria) 6
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*cpe:2.3:a:rocket.chat:rocket.chat:8.3.0:rc0:*:*:*:*:*:*cpe:2.3:a:rocket.chat:rocket.chat:8.3.0:rc1:*:*:*:*:*:*cpe:2.3:a:rocket.chat:rocket.chat:8.3.0:rc2:*:*:*:*:*:*cpe:2.3:a:rocket.chat:rocket.chat:8.3.0:rc3:*:*:*:*:*:*cpe:2.3:a:rocket.chat:rocket.chat:8.3.0:rc4:*:*:*:*:*:*
References 2
- https://github.com/RocketChat/Rocket.Chat/pull/39492 Issue Tracking, Patch
- https://hackerone.com/reports/3564655 Third Party Advisory