{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-42462/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-11T13:34:03.443Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-42462","@id":"https://www.cve.org/CVERecord?id=CVE-2026-42462","description":"Fedify is a TypeScript library for building federated server apps powered by ActivityPub. Prior to versions 1.9.11, 1.10.10, 2.0.18, 2.1.14, and 2.2.3, an attacker can make use of JSON-LD features to restructure a JSON-LD document that would change how Fedify interprets it without changing its Linked Data Signature, allowing them to alter a third-party signed activity they have received. Versions 1.9.11, 1.10.10, 2.0.18, 2.1.14, and 2.2.3 fix the issue."},"products":[{"@id":"cpe:2.3:a:fedify-dev:fedify:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:fedify-dev:fedify:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"No fixed version is published yet; monitor the upstream advisory.","timestamp":"2026-06-11T13:34:03.443Z"}]}