CVE-2026-104463 YesWiki before 4.6.7 Unauthenticated SSRF via ActivityPub Inbox

YesWiki before 4.6.7 contains a server-side request forgery vulnerability that allows unauthenticated attackers to trigger server requests by sending signed Follow activities to the public forms actor inbox route. Attackers sign requests with their own keyId while supplying internal actor URLs in...

EUVD-2026-91456

YesWiki before 4.6.7 contains an authentication bypass vulnerability in the ActivityPub inbox that fails to bind the verified HTTP signature signer to the activity actor. Unauthenticated attackers with any ActivityPub keypair can send signed Delete or Update activities referencing a mirrored...

CVE-2026-104445

Versions of YesWiki prior to 4.6.7 are susceptible to an authentication bypass vulnerability within the ActivityPub inbox . The root cause is a failure to bind the verified HTTP signature signer to the activity actor. This allows unauthenticated attackers possessing any ActivityPub keypair to sen...

CVE-2026-33693

CVE-2026-33693: SSRF mediante bypass de 0.0.0.0 en v4isinvalid de activitypub-federation-rust CVSS 6.5 Moderado Palabras clave: SSRF, 0.0.0.0, bypass de validación de IP, activitypub-federation, Lemmy, Rust, ActivityPub Tabla de contenidos Descripción general Detalles de la vulnerabilidad Análisi...

cve-2026-47777

CVE-2026-47777 — Omisión de Autorización de Colecciones Destacadas en Mastodon Resumen Divulgué de manera responsable una vulnerabilidad de Omisión de Autorización de Alta Gravedad que afecta el pipeline de federación experimental de Colecciones Destacadas de Mastodon. ID de CVE: CVE-2026-47777...

CVE-2026-90679

A flaw was found in Forgejo when federation is enabled. This issue allows a remote attacker to spoof identities by submitting signature-valid ActivityPub activities attributed to any actor identity. The system fails to verify that the HTTP Signature on an incoming ActivityPub activity was produce...

CVE-2026-90679

Forgejo 13.0.0 through 16.0.4, when "federation ENABLED = true" is set, has a spoofing issue that affects identity integrity but does not allow account takeover or content modification. It does not verify that the HTTP Signature on an incoming ActivityPub activity was produced by the key belongin...

CVE-2026-90679

Forgejo 13.0.0 through 16.0.4, when "federation ENABLED = true" is set, has a spoofing issue that affects identity integrity but does not allow account takeover or content modification. It does not verify that the HTTP Signature on an incoming ActivityPub activity was produced by the key belongin...

CVE-2026-90679

Forgejo 13.0.0 through 16.0.4, when "federation ENABLED = true" is set, has a spoofing issue that affects identity integrity but does not allow account takeover or content modification. It does not verify that the HTTP Signature on an incoming ActivityPub activity was produced by the key belongin...

CVE-2026-90679

Forgejo 13.0.0 through 16.0.4 with [federation] ENABLED = true contains a signature-spoofing flaw in its ActivityPub inbox processing. The HTTP Signature verification in routers/api/v1/activitypub/reqsignature.go validates the request, but inbox handlers then read the acting identity from the att...

EUVD-2026-76944

Forgejo 13.0.0 through 16.0.4, when "federation ENABLED = true" is set, has a spoofing issue that affects identity integrity but does not allow account takeover or content modification. It does not verify that the HTTP Signature on an incoming ActivityPub activity was produced by the key belongin...

PT-2026-90787

Name of the Vulnerable Software and Affected Versions Forgejo versions 13.0.0 through 16.0.4 Description An identity spoofing issue exists when federation ENABLED = true is configured. The system fails to verify that the HTTP Signature of an incoming ActivityPub activity was generated by the key...

CVE-2026-90679: Use of Less Trusted Source

Forgejo 13.0.0 through 16.0.4, when "federation ENABLED = true" is set, has a spoofing issue that affects identity integrity but does not allow account takeover or content modification. It does not verify that the HTTP Signature on an incoming ActivityPub activity was produced by the key belongin...

CVE-2026-86112

BookWyrm through 0.9.1 fails to validate user visibility permissions in the Favorite and Unfavorite views, allowing authenticated attackers to favorite or unfavorite followers-only and direct statuses they cannot access. Attackers can POST to the favorite endpoint with a status ID to create...

CVE-2026-86112 BookWyrm through 0.9.1 Missing Authorization on the Favorite and Unfavorite Endpoints

BookWyrm through 0.9.1 fails to validate user visibility permissions in the Favorite and Unfavorite views, allowing authenticated attackers to favorite or unfavorite followers-only and direct statuses they cannot access. Attackers can POST to the favorite endpoint with a status ID to create...

CVE-2026-86112 BookWyrm through 0.9.1 Missing Authorization on the Favorite and Unfavorite Endpoints

BookWyrm through 0.9.1 fails to validate user visibility permissions in the Favorite and Unfavorite views, allowing authenticated attackers to favorite or unfavorite followers-only and direct statuses they cannot access. Attackers can POST to the favorite endpoint with a status ID to create...

CVE-2026-86112

BookWyrm through version 0.9.1 contains an authorization flaw in its Favorite and Unfavorite views (located in interaction.py). The endpoint fails to validate user visibility permissions, allowing authenticated attackers to POST a status ID to the favorite endpoint and create unauthorized interac...

CVE-2026-86112 BookWyrm through 0.9.1 Missing Authorization on the Favorite and Unfavorite Endpoints

BookWyrm through 0.9.1 fails to validate user visibility permissions in the Favorite and Unfavorite views, allowing authenticated attackers to favorite or unfavorite followers-only and direct statuses they cannot access. Attackers can POST to the favorite endpoint with a status ID to create...

EUVD-2026-71944

BookWyrm through 0.9.1 fails to validate user visibility permissions in the Favorite and Unfavorite views, allowing authenticated attackers to favorite or unfavorite followers-only and direct statuses they cannot access. Attackers can POST to the favorite endpoint with a status ID to create...

CVE-2026-86112: Authorization Bypass Through User-Controlled Key

BookWyrm through 0.9.1 fails to validate user visibility permissions in the Favorite and Unfavorite views, allowing authenticated attackers to favorite or unfavorite followers-only and direct statuses they cannot access. Attackers can POST to the favorite endpoint with a status ID to create...