GHSA-mv28-wj57-f57g

High

GHSA-mv28-wj57-f57g

(CVE-2026-52767)

Published Jul 9, 2026

CVSS

8.2

HIGH

EPSS

Exploit Prediction Scoring System — the modeled probability of in-the-wild exploitation in the next 30 days.

—

Affected packages

Summary

YesWiki Vulnerable to Unauthenticated ActivityPub Signature-Verification Bypass via `!openssl_verify(...)` accepting `int(-1)`

Developer impact

Recommended action

Affected packages

Sources