Red Hat Security Advisory: fence-agents security update
Affects Red Hat fence-agentsSource GCVE Database
Not known to be exploited.
Data as of 30 Oct 2026, 20:36 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 52% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 2 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
AI-suggested
Red Hat has released an updated fence-agents package for Red Hat Enterprise Linux 8.8 and related variants that fixes this vulnerability. Users should apply the official update as described in the Red Hat advisory (RHSA-2026:1701) to remediate the issue. No additional mitigation steps are indicated beyond applying the update.
Description
A security update for the fence-agents packages in Red Hat Enterprise Linux addresses a vulnerability in urllib3 (CVE-2025-66418) involving an unbounded decompression chain that can lead to resource exhaustion. The fence-agents scripts manage remote power control for cluster devices, allowing failed nodes to be forcibly restarted and removed from clusters. This vulnerability could impact the availability of cluster management operations.