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CVE-2025-27516VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Affects Red HatSource GCVE Database

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Not known to be exploited.

Data as of 30 Oct 2026, 22:08 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 22 Jul 2026

  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

Users should avoid executing untrusted templates with Jinja or implement application-level controls to restrict template content. Monitor Red Hat advisories for future updates or fixes. Contact Red Hat support or a Technical Account Manager for tailored guidance.

Description

CVE-2025-27516 is a vulnerability in the Jinja template engine used in Red Hat Hardened Images RPMs. It allows an attacker who can control template content to bypass Jinja's sandbox and execute arbitrary Python code via the |attr filter. This impacts applications that execute untrusted templates, potentially compromising system integrity, confidentiality, and availability. No fix is currently available that meets Red Hat's criteria for deployment and stability.

References

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