GO-2026-6083 Gitea: Blind SSRF in OAuth2 avatar synchronization via unvalidated OIDC picture claim in gitea.dev

Gitea: Blind SSRF in OAuth2 avatar synchronization via unvalidated OIDC picture claim in gitea.dev...

GHSA-G9J2-8W95-3VWV Cloudreve: Denial of Service - Image decompression / pixel bomb in thumbnail & avatar decoding crashes the server

Summary Cloudreve's built-in image processor decodes user-supplied images with Go's standard-library decoders image/png, image/jpeg, image/gif and guards only the compressed file size — never the decoded pixel dimensions. Go's decoders allocate a pixel buffer sized bytesPerPixel × width × height...

Cloudreve: Denial of Service - Image decompression / pixel bomb in thumbnail & avatar decoding crashes the server

Summary Cloudreve's built-in image processor decodes user-supplied images with Go's standard-library decoders image/png, image/jpeg, image/gif and guards only the compressed file size — never the decoded pixel dimensions. Go's decoders allocate a pixel buffer sized bytesPerPixel × width × height...

PT-2026-64433

Name of the Vulnerable Software and Affected Versions Cloudreve versions prior to 4.17.0 Description Cloudreve contains an issue where the built-in image decoders for PNG, JPEG, and GIF formats limit only the compressed file size but do not restrict the decoded pixel dimensions. An authenticated...

Allocation of Resources Without Limits or Throttling

Overview elgg/elgg is a development framework used for creating socially aware web applications. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the avatar upload process. An attacker can cause resource exhaustion by uploading an image...

CVE-2026-65650

Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload...

CVE-2026-65650

CVE-2026-65650 affects Elgg before 7.0.0, where image dimension checks are missing, enabling a denial-of-service via oversized avatar uploads. Impact: possible availability degradation (CVSS 4.3). Remediation: upgrade to Elgg 7.0.0 or later where the issue is addressed, as reflected in the 7.0.0 ...

CVE-2026-65650

Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload...

CVE-2026-65650

Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload...

CVE-2026-46556

The CVE describes a Server-Side Request Forgery (SSRF) in FlaskBB prior to 2.2.1, where get_image_info(url) passes the supplied URL directly to requests.get without validating scheme/host/IP. This allows any authenticated user to cause the server to access internal endpoints and cloud metadata se...

CVE-2026-46556 FlaskBB: SSRF in get_image_info() via unrestricted avatar URL

FlaskBB is a Forum Software written in Python using the micro framework Flask. Prior to version 2.2.1, a Server-Side Request Forgery SSRF vulnerability in getimageinfo allows any authenticated user to force the server to send HTTP requests to arbitrary internal endpoints, including cloud metadata...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the oauth2UpdateAvatarIfNeed function. An attacker can cause the server to make arbitrary outbound HTTP GET requests by supplying a crafted avatar URL through the OAuth2/OIDC picture claim. This can...

GHSA-X77V-Q46J-393G Gitea: Blind SSRF in OAuth2 avatar synchronization via unvalidated OIDC picture claim

Summary When oauth2client UPDATEAVATAR = true is enabled, Gitea fetches the avatar URL received from an OAuth2/OIDC provider using Go's default HTTP client. The URL comes from the user's OAuth/OIDC avatar value, commonly the OIDC picture claim. The affected code path calls http.Geturl without...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the oauth2UpdateAvatarIfNeed function. An attacker can cause the server to make arbitrary outbound HTTP GET requests by supplying a crafted avatar URL through the OAuth2/OIDC picture claim. This can...

Gitea: Blind SSRF in OAuth2 avatar synchronization via unvalidated OIDC picture claim

Summary When oauth2client UPDATEAVATAR = true is enabled, Gitea fetches the avatar URL received from an OAuth2/OIDC provider using Go's default HTTP client. The URL comes from the user's OAuth/OIDC avatar value, commonly the OIDC picture claim. The affected code path calls http.Geturl without...

PT-2026-63275

Name of the Vulnerable Software and Affected Versions Gitea affected versions not specified Description A blind Server-Side Request Forgery SSRF exists when the oauth2 client UPDATE AVATAR = true setting is enabled. The issue occurs because the server fetches the avatar URL provided by an...

CVE-2026-52891

Wekan is open source kanban built with Meteor. Prior to 9.07, Wekan avatar upload functionality embeds user-supplied filenames into paths later passed to childprocess.exec for MIME-type detection. Because models/avatars.js and models/fileValidation.js used a shell command with the avatar filename...

CVE-2026-52891

Wekan is open source kanban built with Meteor. Prior to 9.07, Wekan avatar upload functionality embeds user-supplied filenames into paths later passed to childprocess.exec for MIME-type detection. Because models/avatars.js and models/fileValidation.js used a shell command with the avatar filename...

CVE-2026-52891

Wekan prior to v9.07 is vulnerable to command execution via avatar upload. The avatar filename is embedded in shell commands in models/avatars.js and models/fileValidation.js, allowing shell metacharacters (e.g., ` and $( ) to run commands on the server through child_process.exec(). Impact: high ...

CVE-2026-52891 Wekan: Shell Injection via Avatar Upload

Wekan is open source kanban built with Meteor. Prior to 9.07, Wekan avatar upload functionality embeds user-supplied filenames into paths later passed to childprocess.exec for MIME-type detection. Because models/avatars.js and models/fileValidation.js used a shell command with the avatar filename...