CVE-2026-50131: Server-Side Request Forgery (SSRF)

Fedify is a TypeScript library for building federated server apps powered by ActivityPub. Fedify previously addressed SSRF/internal network access in GHSA-p9cg-vqcc-grcx by adding public URL validation before runtime document and media fetching. However, the IPv4 validation logic present starting...

Fedify 安全漏洞

Fedify is a TypeScript library developed by Hong Minhee. It is used to build federated server applications that support ActivityPub and other standards. Versions of Fedify prior to 1.9.11, 1.10.10, 2.0.18, 2.1.14, and 2.2.3 have security vulnerabilities. These vulnerabilities stem from attackers...

PT-2026-48548

Name of the Vulnerable Software and Affected Versions Fedify versions 0.11.2 through 1.9.11 Fedify versions 0.11.2 through 1.10.10 Fedify versions 0.11.2 through 2.0.18 Fedify versions 0.11.2 through 2.1.14 Fedify versions 0.11.2 through 2.2.3 Description Fedify is a TypeScript library for buildi...

@fedify/amqp (0.2.0-dev.12), @fedify/botkit (>=0.3.0-dev.125, <=0.4.0-dev.175) +3 more potentially affected by CVE-2026-42462 via @fedify/fedify (>=1.5.0, <=1.9.2)

@fedify/fedify NPM version =1.5.0, =0.3.0-dev.125, =0.4.0-dev.167, =0.3.0-dev.20, =0.4.0-dev.18, =0.4.0 Source cves: CVE-2026-42462 Source advisory: OSV:GHSA-9RFG-V8G9-9367...

@fedify/botkit (>=0.4.0-dev.177, <=0.4.0-dev.181), @fedify/botkit-sqlite (>=0.4.0-dev.177, <=0.4.0-dev.181) potentially affected by CVE-2026-42462 via @fedify/fedify (1.10.0)

@fedify/fedify NPM version 1.10.0 is affected by a known vulnerability. The following packages have a transitive dependency on @fedify/fedify and may be impacted: - @fedify/botkit =0.4.0-dev.177, =0.4.0-dev.177, =0.4.0-dev.181 Source cves: CVE-2026-42462 Source advisory:...

@fedify/botkit (>=0.4.0-dev.184, <=0.5.0-dev.198), @fedify/botkit-sqlite (>=0.4.0-dev.184, <=0.5.0-dev.198) +1 more potentially affected by CVE-2026-42462 via @fedify/fedify (>=2.1.0, <=2.1.13)

@fedify/fedify NPM version =2.1.0, =0.4.0-dev.184, =0.4.0-dev.184, =2.1.0, =2.1.13 Source cves: CVE-2026-42462 Source advisory: OSV:GHSA-9RFG-V8G9-9367...

@fedify/botkit (>=0.4.0-dev.184, <=0.5.0-dev.198), @fedify/botkit-sqlite (>=0.4.0-dev.184, <=0.5.0-dev.198) +1 more potentially affected by CVE-2026-42462 via @fedify/fedify (>=2.1.0, <=2.1.13)

@fedify/fedify NPM version =2.1.0, =0.4.0-dev.184, =0.4.0-dev.184, =2.1.0, =2.1.13 Source cves: CVE-2026-42462 Source advisory: SNYK:JS-FEDIFYFEDIFY-16895732...

Fedify has an LD-Signature Bypass via JSON-LD Named-Graph Restructuring

As told on Discord earlier, multiple projects are affected, and we would like to coordinate. For now, we are aiming at a May 6th release date, but this is not set in stone yet. Summary An attacker can make use of JSON-LD features to restructure a JSON-LD document that would change how Fedify...

@fedify/amqp (0.2.0-dev.12), @fedify/botkit (>=0.3.0-dev.125, <=0.4.0-dev.175) +3 more potentially affected by CVE-2026-42462 via @fedify/fedify (>=1.5.0, <=1.9.2)

@fedify/fedify NPM version =1.5.0, =0.3.0-dev.125, =0.4.0-dev.167, =0.3.0-dev.20, =0.4.0-dev.18, =0.4.0 Source cves: CVE-2026-42462 Source advisory: SNYK:JS-FEDIFYFEDIFY-16895732...

@fedify/botkit (>=0.4.0-dev.177, <=0.4.0-dev.181), @fedify/botkit-sqlite (>=0.4.0-dev.177, <=0.4.0-dev.181) potentially affected by CVE-2026-42462 via @fedify/fedify (1.10.0)

@fedify/fedify NPM version 1.10.0 is affected by a known vulnerability. The following packages have a transitive dependency on @fedify/fedify and may be impacted: - @fedify/botkit =0.4.0-dev.177, =0.4.0-dev.177, =0.4.0-dev.181 Source cves: CVE-2026-42462 Source advisory: OSV:GHSA-9RFG-V8G9-9367...

@fedify/botkit (>=0.4.0-dev.182, <=0.4.0-dev.183), @fedify/botkit-sqlite (>=0.4.0-dev.182, <=0.4.0-dev.183) +1 more potentially affected by CVE-2026-42462 via @fedify/fedify (>=2.0.0, <=2.0.17)

@fedify/fedify NPM version =2.0.0, =0.4.0-dev.182, =0.4.0-dev.182, =2.0.0-dev.1757, =2.0.17 Source cves: CVE-2026-42462 Source advisory: OSV:GHSA-9RFG-V8G9-9367...

@fedify/botkit (>=0.4.0-dev.182, <=0.4.0-dev.183), @fedify/botkit-sqlite (>=0.4.0-dev.182, <=0.4.0-dev.183) +1 more potentially affected by CVE-2026-42462 via @fedify/fedify (>=2.0.0, <=2.0.17)

@fedify/fedify NPM version =2.0.0, =0.4.0-dev.182, =0.4.0-dev.182, =2.0.0-dev.1757, =2.0.17 Source cves: CVE-2026-42462 Source advisory: SNYK:JS-FEDIFYFEDIFY-16895732...

@fedify/cli (>=2.2.0-dev.898, <=2.2.2) potentially affected by CVE-2026-42462 via @fedify/fedify (>=2.2.0, <=2.2.2)

@fedify/fedify NPM version =2.2.0, =2.2.0-dev.898, =2.2.2 Source cves: CVE-2026-42462 Source advisory: OSV:GHSA-9RFG-V8G9-9367...

@fedify/cli (>=2.2.0-dev.898, <=2.2.2) potentially affected by CVE-2026-42462 via @fedify/fedify (>=2.2.0, <=2.2.2)

@fedify/fedify NPM version =2.2.0, =2.2.0-dev.898, =2.2.2 Source cves: CVE-2026-42462 Source advisory: SNYK:JS-FEDIFYFEDIFY-16895732...

EUVD-2026-19295

Fedify affected by resource exhaustion caused by unbounded redirect following during remote key/document resolution...

@fedify/botkit (>=0.4.0-dev.184, <=0.4.0-dev.185), @fedify/botkit-sqlite (>=0.4.0-dev.184, <=0.4.0-dev.185) +5 more potentially affected by CVE-2026-34148 via @fedify/vocab-runtime (2.1.0-dev.600)

@fedify/vocab-runtime NPM version 2.1.0-dev.600 is affected by a known vulnerability. The following packages have a transitive dependency on @fedify/vocab-runtime and may be impacted: - @fedify/botkit =0.4.0-dev.184, =0.4.0-dev.184, =2.1.0-dev.403, =2.1.0-dev.403, =2.1.0-dev.403, =2.1.0-dev.403,...

@fedify/botkit (>=0.4.0-dev.184, <=0.4.0-dev.185), @fedify/botkit-sqlite (>=0.4.0-dev.184, <=0.4.0-dev.185) +5 more potentially affected by CVE-2026-34148 via @fedify/vocab-runtime (2.1.0-dev.600)

@fedify/vocab-runtime NPM version 2.1.0-dev.600 is affected by a known vulnerability. The following packages have a transitive dependency on @fedify/vocab-runtime and may be impacted: - @fedify/botkit =0.4.0-dev.184, =0.4.0-dev.184, =2.1.0-dev.403, =2.1.0-dev.403, =2.1.0-dev.403, =2.1.0-dev.403,...

@fedify/amqp (0.2.0-dev.12), @fedify/botkit (>=0.3.0-dev.125, <=0.4.0-dev.175) +3 more potentially affected by CVE-2026-34148 via @fedify/fedify (>=1.5.0, <=1.9.2)

@fedify/fedify NPM version =1.5.0, =0.3.0-dev.125, =0.4.0-dev.167, =0.3.0-dev.20, =0.4.0-dev.18, =0.4.0 Source cves: CVE-2026-34148 Source advisory: OSV:GHSA-GM9M-GWC4-HWGP...

@fedify/botkit (>=0.4.0-dev.177, <=0.4.0-dev.181), @fedify/botkit-sqlite (>=0.4.0-dev.177, <=0.4.0-dev.181) potentially affected by CVE-2026-34148 via @fedify/fedify (1.10.0)

@fedify/fedify NPM version 1.10.0 is affected by a known vulnerability. The following packages have a transitive dependency on @fedify/fedify and may be impacted: - @fedify/botkit =0.4.0-dev.177, =0.4.0-dev.177, =0.4.0-dev.181 Source cves: CVE-2026-34148 Source advisory: OSV:GHSA-GM9M-GWC4-HWGP...

@fedify/botkit (>=0.4.0-dev.177, <=0.4.0-dev.181), @fedify/botkit-sqlite (>=0.4.0-dev.177, <=0.4.0-dev.181) potentially affected by CVE-2026-34148 via @fedify/fedify (1.10.0)

@fedify/fedify NPM version 1.10.0 is affected by a known vulnerability. The following packages have a transitive dependency on @fedify/fedify and may be impacted: - @fedify/botkit =0.4.0-dev.177, =0.4.0-dev.177, =0.4.0-dev.181 Source cves: CVE-2026-34148 Source advisory:...