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CVE-2025-47947VulnerabilityPublished Updated

Red Hat Security Advisory: mod_security security update

Affects Red Hat mod_securitySource GCVE Database

0

Not known to be exploited.

Data as of 26 Oct 2026, 14:05 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 48% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Jun 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat Product Security Red HatAffected
  • Red Hat
  • Red Hat Enterprise Linux
  • Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • Red Hat Enterprise Linux AppStream TUS (v.8.6)
  • SUSE
  • x86_64
  • mod_security-0:2.9.6-2.el9_6.x86_64
  • mod_security-mlogc-0:2.9.6-2.el9_6.x86_64
  • SUSE Linux Enterprise
  • Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • src
  • mod_security-0:2.9.6-1.el9_4.1.src
Fixed in–

AI-suggested

Red Hat has released updated mod_security packages (version 2.9.2-9.el8_6.1) that address this vulnerability. Users should apply the official Red Hat security update RHSA-2025:8605 to remediate the issue. For detailed update instructions, refer to Red Hat's official article at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.

Description

ModSecurity is an open source intrusion detection and prevention engine for web applications. Security Fix(es): * modsecurity: ModSecurity Has Possible DoS Vulnerability (CVE-2025-47947) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References

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