Dashboard / CVE-2026-76235

CVE-2026-76235

HIGH
MEDIUM Priority: 0.05 BB Relevance: 75/100
Published: 2026-08-19 Modified: 2026-11-11 First seen: 2026-11-03 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

Description

A memory leak flaw was found in cockpit-ws. The login page handler leaks a heap allocation on every unauthenticated request that carries a CockpitLang cookie, allowing a remote unauthenticated attacker to exhaust memory on the host and cause a denial of service.

Weakness Classification (1)

References & Advisories (7)

https://access.redhat.com/errata/RHSA-2026:94485
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:96250
vendor-advisory x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2519497
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.63%
Raw Score 0.006320
Percentile 50.9%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00632
2026-11-13
0.00632
2026-11-12
0.00632
2026-11-10
0.00585
2026-11-09
0.00585
2026-11-08
0.00585
2026-11-07
0.00585
2026-11-06
0.00585
2026-11-05
0.00585
2026-11-04
0.00793
2026-11-03
0.00608

Intelligence Sources

mitre ref →
nvd ref →

External Links