CVE-2026-76168

Apache James: ManageSieve file implementation cross-user path traversal

Published Nov 6, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
In Apache James server prior version 3.9.1 relying on the SieveFileRepository incorect validation of file paths can result in path transversal, allowing to set arbitrary SIEVE scripts for other users.
This allows a logged in attacker to set arbitrary SIEVE scripts for other users, resulting in denial of service or even traffic capture.
Users are recommended to upgrade to version 3.9.1 which fixes this issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Apache
Apache james
Vendors & Products Apache
Apache james
Type Values Removed Values Added
Description In Apache James server prior version 3.9.1 relying on the SieveFileRepository incorect validation of file paths can result in path transversal, allowing to set arbitrary SIEVE scripts for other users. This allows a logged in attacker to set arbitrary SIEVE scripts for other users, resulting in denial of service or even traffic capture. Users are recommended to upgrade to version 3.9.1 which fixes this issue.
Title Apache James: ManageSieve file implementation cross-user path traversal
Weaknesses CWE-22
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Nov 10, 2026, 6:41 PM
Reserved
Aug 19, 2026, 9:29 AM
Status
Deferred
Published
Nov 6, 2026, 12:17 PM
Modified
Nov 10, 2026, 7:21 PM