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Vulnerability record · CVE-2025-5892 · published 9 June 2025

CVE-2025-5892: Rocket.chat uncontrolled resource consumption vulnerability

RRocket.Chat · Rocket.Chat

A vulnerability, which was classified as problematic, has been found in RocketChat up to 7.6.1. This issue affects the function parseMessage of the file /apps/meteor/app/irc/server/servers/RFC2813/parseMessage.js. The manipulation of the argument line leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

2.1 CVSS 4.0 Low EPSS 0.60% · top 53.3% CWE-400 · Uncontrolled resource consumptionCWE-1333 · Inefficient regular expression (ReDoS)
2.1CVSS 4.0 base score, v2 4.0
0.60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability, which was classified as problematic, has been found in RocketChat up to 7.6.1. This issue affects the function parseMessage of the file /apps/meteor/app/irc/server/servers/RFC2813/parseMessage.js. The manipulation of the argument line leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/mmmsssttt404/0fcda3b3e85edafc4eaa6816aa252deb Product
https://github.com/RocketChat/Rocket.Chat/pull/35711 ExploitIssue TrackingPatch
https://vuldb.com/?ctiid.311663 Permissions RequiredVDB Entry
https://vuldb.com/?id.311663 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.585751 Third Party AdvisoryVDB Entry
https://github.com/RocketChat/Rocket.Chat/pull/35711 ExploitIssue TrackingPatch

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-5892), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.