CVE-2026-41682

pupnp: Port truncation via atoi() cast in parse_uri() allows SSRF port confusion

State: Published
Severity: 6.9 Medium
Published: May 8, 2026
Updated: May 11, 2026
Reserved: Apr 22, 2026

Description

pupnp is an SDK for development of UPnP device and control point applications. Prior to version 1.18.5, pupnp is vulnerable to SRRF port confusion due to port truncation via atoi() cast in parse_uri(). This issue has been patched in version 1.18.5.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-195 Signed to Unsigned Conversion Error
CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Product	Versions
pupnppupnp	< 1.18.5Affected

References

https://github.com/pupnp/pupnp/security/advisories/GHSA-q522-6w45-4j58
https://github.com/pupnp/pupnp/commit/def5f9a2bc42f5b3d713e37c516fbe840ce54b7b
https://github.com/pupnp/pupnp/releases/tag/release-1.18.5

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