CVE-2026-76168
Apache James: ManageSieve file implementation cross-user path traversal
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.
INFO
Published Date :
Nov. 6, 2026, 12:17 p.m.
Last Modified :
Nov. 6, 2026, 12:17 p.m.
Remotely Exploit :
No
Source :
[email protected]
Solution
- Upgrade Apache James server to version 3.9.1.
- Apply the security patch for version 3.9.1.
- Validate file path validation logic.
- Restrict Sieve script access.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-76168.
| URL | Resource |
|---|---|
| https://lists.apache.org/thread.html/rpp3rx9zzn2hs3kp3kdko9oh3qrmdnk2 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-76168 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-76168
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-76168 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-76168 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Nov. 06, 2026
Action Type Old Value New Value 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. Added CWE CWE-22 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/76xxx/CVE-2026-76168.json">CVE-2026-76168</a> Added Reference https://lists.apache.org/thread.html/rpp3rx9zzn2hs3kp3kdko9oh3qrmdnk2