A information disclosure vulnerability exists in Rocket.chat <v5, <v4.8.2 and <v4.7.5 where the lack of ACL checks in the getRoomRoles Mete…

published 2022-09-23 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-38139

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

A information disclosure vulnerability exists in Rocket.chat <v5, <v4.8.2 and <v4.7.5 where the lack of ACL checks in the getRoomRoles Meteor method leak channel members with special roles to unauthorized clients.

Patch / fix

fixed in 1

rocket.chat rocket.chat 4.7.5, 4.8.2

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 17 mo ago (2025-05-22)

Exploit prediction

0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

hackerone.com https://hackerone.com/reports/1447440 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

n/a Rocket.Chat

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-862 Missing Authorization

References

hackerone.com /reports/1447440
exploit, issue-tracking, third-party-advisory

Sources

CVE List CVE-2022-35247
NVD CVE-2022-35247

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary