CVE-2026-41682

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

MEDIUM

6.9

CVSS Score

Published: May 8, 2026 at 10:47 PM UTC

Updated: June 17, 2026 at 10:46 AM UTC

1 product affected across 1 vendorPupnp

Using pupnp by pupnp?

Get instant alerts when new vulnerabilities affect pupnp - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

MEDIUM6.9

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Pupnp · Pupnp Project

60%

v < 1.18.5

Affected range stops below 1.18.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_CONFIRM

Source: cverecord

https://github.com/pupnp/pupnp/security/advisories/GHSA-q522-6w45-4j58

x_refsource_MISC

Source: cverecord

https://github.com/pupnp/pupnp/commit/def5f9a2bc42f5b3d713e37c516fbe840ce54b7b

x_refsource_MISC

Source: cverecord

https://github.com/pupnp/pupnp/releases/tag/release-1.18.5

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMGitHub_M

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-195CWE-918

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card