Description
libks provides foundational support for signalwire C products. Prior to version 2.0.11, `clean_uri()` in libks's HTTP request parser fails to reject URIs whose path has more segments than its internal canonicalization buffer can hold. The canonicalization step silently passes such URIs through with embedded ".." sequences intact, enabling path traversal in any consumer that later joins the URI with a filesystem path. Version 2.0.11 patches the issue.
Published: 2026-09-11
Score: 7.5 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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Remediation

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History

Fri, 11 Sep 2026 23:45:00 +0000

Type Values Removed Values Added
Description libks provides foundational support for signalwire C products. Prior to version 2.0.11, `clean_uri()` in libks's HTTP request parser fails to reject URIs whose path has more segments than its internal canonicalization buffer can hold. The canonicalization step silently passes such URIs through with embedded ".." sequences intact, enabling path traversal in any consumer that later joins the URI with a filesystem path. Version 2.0.11 patches the issue.
Title libks has path traversal in kws HTTP parser via URI segment overflow
Weaknesses CWE-22
CWE-697
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-09-11T21:25:40.712Z

Reserved: 2026-06-01T22:03:19.640Z

Link: CVE-2026-49846

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-11T22:16:37.537

Modified: 2026-09-11T22:16:37.537

Link: CVE-2026-49846

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-12T06:15:04Z

Weaknesses