CVE-2026-29198

critical

Published 2026-04-23 · Modified 2026-05-13

CVSS v3

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2

—

VIR risk

9.8

Description

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.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: support@hackerone.com — https://github.com/RocketChat/Rocket.Chat/pull/39492

Application impact

Vendor	Product	Versions	Fixed
rocket.chat	rocket.chat	`{"endExcluding":"7.10.9"}`	`7.10.9`
rocket.chat	rocket.chat	`8.3.0`

References

https://github.com/RocketChat/Rocket.Chat/pull/39492
https://hackerone.com/reports/3564655

CWEs

CWE-89

Verify integrity in audit chain (admin only). AS-IS.