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CVE-2025-27516VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat OpenStack Platform 17.1 (openstack-ansible-core) security update

Affects Red HatSource GCVE Database

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Not known to be exploited.

Data as of 30 Oct 2026, 22:20 UTC

Severity
High

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

  1. Disclosed: evidence found.

    CVE published 27 Mar 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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.

References

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