What is GHSA-pg4j-r96p-6rg4?

GHSA-pg4j-r96p-6rg4 is a security advisory published by GitHub Security Advisories with Medium severity. YesWiki before 4.6.7 contains a server-side request forgery vulnerability in WebfingerService...

Which CVE IDs does GHSA-pg4j-r96p-6rg4 cover?

GHSA-pg4j-r96p-6rg4 covers the following CVE IDs: CVE-2026-104459. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-pg4j-r96p-6rg4?

GHSA-pg4j-r96p-6rg4 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-pg4j-r96p-6rg4MediumCVSS 6.5

YesWiki before 4.6.7 contains a server-side request forgery vulnerability in WebfingerService...

Vendor

GitHub Security Advisories

Published

October 2, 2026

Last Modified

October 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-104459 →

📋 Description

YesWiki before 4.6.7 contains a server-side request forgery vulnerability in WebfingerService that allows unauthenticated attackers to trigger HTTPS requests to internal hosts. Attackers can POST a crafted actor_handle with a numeric host and port to the abonnements view to probe internal HTTPS services and ports.

🔗 References (4)

https://github.com/YesWiki/yeswiki/security/advisories/GHSA-x4mq-qxvc-g82j
https://nvd.nist.gov/vuln/detail/CVE-2026-104459
https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-ssrf-via-activitypub-webfinger-actor-handle
https://github.com/advisories/GHSA-pg4j-r96p-6rg4