CVE-2026-108543 Details
Description
A vulnerability was determined in ag2ai ag2 up to 0.13.4. Affected by this issue is the function os.path.join of the component UserProxyAgent. This manipulation of the argument filename causes path traversal. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
A path traversal vulnerability has been identified in ag2ai ag2 versions through 0.13.4. The issue arises in the UserProxyAgent component, specifically within the os.path.join function. This vulnerability allows for arbitrary file writes by manipulating the filename argument, which can be exploited remotely. The flaw has been publicly disclosed, and the vendor has not responded to initial contact regarding the issue.
To address this vulnerability, the application should be updated to version 0.13.5 or later, where the issue has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 11, 2026CISA-ADP
Assessed Oct 13, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Ruoyyy/My_vulnerable/blob/main/report_legacy_filename_dockerenv_en.md | [email protected] | ExploitTechnical Analysis |
| https://vuldb.com/cve/CVE-2026-108543 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/953877 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/416198 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/416198/cti | [email protected] | AdvisoryContent Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-22 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| ag2ai ag2 | <= 0.13.4 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 13, 2026 | CVE Modified | CISA-ADP |
| Oct 11, 2026 | New CVE Received | [email protected] |