Summary
References
Workarounds
No workaround.
For more information
If you have any questions or comments about this advisory, please open an issue.
Impact
There is a vulnerability in Go managing various Is methods (IsPrivate, IsLoopback, etc) for IPv4-mapped IPv6 addresses.
They didn't work as expected returning false for addresses which would return true in their traditional IPv4 forms.
Affected versions
Security releases
Kodem intelligence
Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.
Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.
Remediation advice
Frequently Asked Questions
- What is GHSA-7JMW-8259-Q9JX? GHSA-7JMW-8259-Q9JX is a medium-severity security vulnerability in github.com/traefik/traefik/v3 (go), affecting versions >= 3.0.0-beta3, < 3.0.2. It is fixed in 3.0.2, 2.11.4.
- Which packages are affected by GHSA-7JMW-8259-Q9JX?
github.com/traefik/traefik/v3(go) (versions >= 3.0.0-beta3, < 3.0.2)github.com/traefik/traefik/v2(go) (versions < 2.11.4)github.com/traefik/traefik(go) (versions < 2.11.4)
- Is there a fix for GHSA-7JMW-8259-Q9JX? Yes. GHSA-7JMW-8259-Q9JX is fixed in 3.0.2, 2.11.4. Upgrade to this version or later.
- Is GHSA-7JMW-8259-Q9JX exploitable, and should I be worried? Whether GHSA-7JMW-8259-Q9JX is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
- What actually determines whether GHSA-7JMW-8259-Q9JX is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
- How do I fix GHSA-7JMW-8259-Q9JX?
- Upgrade
github.com/traefik/traefik/v3to 3.0.2 or later - Upgrade
github.com/traefik/traefik/v2to 2.11.4 or later - Upgrade
github.com/traefik/traefikto 2.11.4 or later
- Upgrade