Red Hat Security Advisory: Red Hat OpenStack Platform 17.1 (openstack-ansible-core) security update
Affects Red HatSource GCVE Database
Not known to be exploited.
Data as of 30 Oct 2026, 22:20 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 43% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 27 Mar 2025
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 package for openstack-ansible-core (version 2.14.2-4.7.el9ost) that addresses this vulnerability. Users of Red Hat OpenStack Platform 17.1 should apply this security update promptly following the guidance in the Red Hat advisory (https://access.redhat.com/articles/11258). No additional mitigations are specified or required beyond applying the official update.
Description
A security update for Red Hat OpenStack Platform 17.1 addresses a vulnerability in ansible-core related to a Jinja sandbox breakout via the attr filter selecting the format method (CVE-2025-27516). This issue affects the openstack-ansible-core package rebuilt for Python 3.9. The vulnerability has been rated as important by Red Hat Product Security.