Red Hat Security Advisory: Red Hat Ansible Automation Platform Execution Environments Update
Affects Red HatSource GCVE Database
Not known to be exploited.
Data as of 30 Oct 2026, 20:36 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- 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 29 Sep 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 update to ansible-core version 2.18.19 which includes fixes for this vulnerability through dependency updates, including urllib3. Users should apply this update after ensuring all prior relevant errata are applied. No alternative mitigations are currently available or meet Red Hat's criteria for ease of use and applicability.
Description
A denial of service vulnerability exists in the urllib3 Python library used by Red Hat Ansible Automation Platform. A remote malicious server can exploit this flaw by sending an HTTP response with an excessive number of chained compression algorithms, causing unbounded resource consumption and making the client unresponsive. Red Hat has released an update to ansible-core 2.18.19 which includes dependency updates addressing this issue.