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CVE-2026-119618VulnerabilityPublished

Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in Apache HTTP Server's

Source GCVE Database

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Authoritative record:CVE-2026-119618· High

Not known to be exploited.

Data as of 11 Nov 2026, 16:21 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Nov 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 11 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Apache Software FoundationApache HTTP ServerAffected
  • >=2.4.55 <=2.4.70
Fixed in–
Apacheapache/httpdpkg:rpm/apache/httpdOther threatsAffected
  • >=2.4.55 <=2.4.70
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users should monitor official Apache HTTP Server advisories for updates and apply patches once available.

Description

A concurrency vulnerability in Apache HTTP Server's mod_http2 module (assign_headers function) allows improper synchronization of shared resources, potentially leading to remote code execution (RCE). This affects Apache HTTP Server versions from 2.4.55 through 2.4.70 and mod_h2 releases from 2.0.8 through 2.0.42.

References

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