CVE-2026-49277

LOW

CVSS v4.0: 2.3 · EPSS: 0.0022 (11.8 percentile)

NetworkNo privilegesVendor advisory ref

Source data as of:

At a glance

Severity
LOW
CVSS
2.3 v4.0 · NVD
EPSS
0.0022 (11.8 percentile) · FIRST.org
CISA KEV
No
Attack conditions (CVSS vector)
NetworkNo privileges · Source: NVD Vector
Published
2026-06-24 · Modified: 2026-06-25

CVSS / EPSS / KEV

CVSS v4.0 2.3 / 10 LOW Source: NVD
EPSS 0.0022 11.8 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12, Rocket.Chat does not revoke OAuth bearer or refresh tokens when a user is deactivated. A deactivated user can continue using an existing OAuth access token, and can also mint a fresh access token from an existing refresh token. This vulnerability is fixed in 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12.

Record details

CVE ID
CVE-2026-49277
CVSS (v4.0)
2.3 (LOW)
Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/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
EPSS
0.0022 (11.8 percentile) — 2026-06-26
CISA KEV
No
Weakness (CWE)
CWE-613
Affected configurations (CPE)
0
Published
2026-06-24
Modified
2026-06-25
Status
Deferred

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.