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CVE-2026-76168VulnerabilityPublished

In Apache James server prior version 3.9.1 relying on the SieveFileRepository incorect validation of file paths can

Source GCVE Database

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Authoritative record:CVE-2026-76168· High

Not known to be exploited : upgrade to 3.9.1 soon.

Data as of 6 Nov 2026, 13:23 UTC

Severity
High

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

Thin evidence

One scorer or none
Patch
Available – fixed in 3.9.1

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 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 6 Nov 2026.

What to do

Upgrade Apache James and org.apache.james/apache-james-server to 3.9.1.

Affected software

ProductAffectedFixed in
Apache Software FoundationApache JamesAffected
  • <3.9.1
Fixed in
  • 3.9.1
Mavenorg.apache.james/apache-james-serverpkg:maven/org.apache.james/apache-james-serverOther threatsAffected
  • <3.9.1
Fixed in
  • 3.9.1

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

AI-suggested

Users should upgrade Apache James server to version 3.9.1 or later, where this path traversal vulnerability in the SieveFileRepository has been fixed. No other mitigation steps are indicated.

Description

Apache James server versions prior to 3.9.1 have a vulnerability in the SieveFileRepository component due to incorrect validation of file paths. This flaw allows authenticated attackers to perform path traversal, enabling them to set arbitrary SIEVE scripts for other users. Exploitation can lead to denial of service or interception of mail traffic. Upgrading to version 3.9.1 addresses this issue.

References

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