parseWildcardRules in Gin-Gonic CORS middleware before 1.6.0 mishandles a wildcard at the end of an origin string, e.g., https://example.community/* is allowed when the intention is that only https://example.com/* should be allowed, and http://localhost.example.com/* is allowed when the intention is that only http://localhost/* should be allowed.

The remote Debian 11 host has a package installed that is affected by a vulnerability as referenced in the dla-4285 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-4285-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                    Thorsten Alteholz     August 28, 2025                               https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : golang-github-gin-contrib-cors     Version        : 1.3.1-1+deb11u1     CVE ID         : CVE-2019-25211


    An issue has been found in golang-github-gin-contrib-cors, a Gin     middleware/handler to enable CORS support. The issue is related to     improper wildcard handling and an attacker might be able to circumvent     restrictions.



    For Debian 11 bullseye, this problem has been fixed in version     1.3.1-1+deb11u1.

    We recommend that you upgrade your golang-github-gin-contrib-cors     packages.


    For the detailed security status of golang-github-gin-contrib-cors please     refer to

    its security tracker page at:
    https://security-tracker.debian.org/tracker/golang-github-gin-contrib-cors

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - parseWildcardRules in Gin-Gonic CORS middleware before 1.6.0 mishandles a wildcard at the end of an origin     string, e.g., https://example.community/* is allowed when the intention is that only https://example.com/*     should be allowed, and http://localhost.example.com/* is allowed when the intention is that only     http://localhost/* should be allowed. (CVE-2019-25211)

Note that Nessus relies on the presence of the package as reported by the vendor.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - parseWildcardRules in Gin-Gonic CORS middleware before 1.6.0 mishandles a wildcard at the end of an origin
    string, e.g., https://example.community/* is allowed when the intention is that only https://example.com/*
    should be allowed, and http://localhost.example.com/* is allowed when the intention is that only
    http://localhost/* should be allowed. (CVE-2019-25211)

ID	Name	Product	Family	Type	Severity
258092	Debian dla-4285 : golang-github-gin-contrib-cors-dev - security update	Nessus	Debian Local Security Checks	Local	critical
257747	Linux Distros Unpatched Vulnerability : CVE-2019-25211	Nessus	Misc.	Local	critical
412470	SCA: security update for github.com/gin-contrib/cors, github.com/gin-gonic/gin (GHSA-869c-j7wc-8jqv)	Tenable Cloud Security	SCA Checks	Local	critical
412470	SCA: security update for github.com/gin-contrib/cors, github.com/gin-gonic/gin (GHSA-869c-j7wc-8jqv)	Tenable Self-Hosted Container Security	SCA Checks	Local	critical

Detections

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CVE-2019-25211

critical

Tenable Plugins

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