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, 11:52 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 11 Aug 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 variants that fix this vulnerability. Users should apply the official security update as described in Red Hat advisory RHSA-2026:53364. Detailed update instructions are available at https://access.redhat.com/articles/11258. Since an official fix is available, applying the update is the recommended mitigation.
Description
A security update for the resource-agents packages in Red Hat Enterprise Linux addresses a denial of service vulnerability in the pyasn1 library. The flaw, identified as CVE-2026-59886, involves crafted ASN.1 REAL values that can cause a denial of service condition. The resource-agents provide scripts for high-availability service managers such as Pacemaker and RGManager. This update is rated as important by Red Hat Product Security and affects multiple Red Hat Enterprise Linux 8 variants including High Availability and Resilient Storage on various architectures.