6.9
MEDIUM CVSS 4.0
CVE-2026-41682
pupnp: Port truncation via atoi() cast in parse_uri() allows SSRF port confusion
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.

INFO

Published Date :

May 8, 2026, 11:16 p.m.

Last Modified :

May 8, 2026, 11:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-41682 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM [email protected]
Solution
Update pupnp SDK to version 1.18.5 to fix SSRF port confusion vulnerability.
  • Update pupnp to version 1.18.5 or later.
  • Review and sanitize URI parsing logic.
  • Validate port numbers carefully.
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-2026-41682.

URL Resource
https://github.com/pupnp/pupnp/commit/def5f9a2bc42f5b3d713e37c516fbe840ce54b7b
https://github.com/pupnp/pupnp/releases/tag/release-1.18.5
https://github.com/pupnp/pupnp/security/advisories/GHSA-q522-6w45-4j58
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-41682 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-2026-41682 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-2026-41682 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-41682 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.

  • New CVE Received by [email protected]

    May. 08, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-918
    Added CWE CWE-195
    Added Reference https://github.com/pupnp/pupnp/commit/def5f9a2bc42f5b3d713e37c516fbe840ce54b7b
    Added Reference https://github.com/pupnp/pupnp/releases/tag/release-1.18.5
    Added Reference https://github.com/pupnp/pupnp/security/advisories/GHSA-q522-6w45-4j58
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.