Red Hat Security Advisory: resource-agents security update
Affects Red Hat resource-agentsSource GCVE Database
Not known to be exploited.
Data as of 30 Oct 2026, 20:52 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 27 Jan 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 updated resource-agents packages for Red Hat Enterprise Linux 8.8 variants that address this vulnerability. Users should apply the updates as described in the Red Hat advisory RHSA-2026:1339 and the referenced update article (https://access.redhat.com/articles/11258). No additional mitigation steps are indicated beyond applying the official patches.
Description
A security update for the resource-agents packages in Red Hat Enterprise Linux addresses a vulnerability in urllib3 (CVE-2025-66418) that involves an unbounded decompression chain leading to resource exhaustion. The resource-agents provide scripts for high-availability service managers such as Pacemaker and RGManager. This vulnerability could impact systems using these packages in high-availability environments. Red Hat has released updated packages for Red Hat Enterprise Linux 8.8 variants to fix this issue.