ONLYOFFICE Docs (DocumentServer) - Reflected Cross-Site Scripting

ONLYOFFICE Docs DocumentServer = 8.3.1 contains a reflected XSS caused by improper sanitization of crafted HTTP POST requests via the WOPI protocol, letting attackers inject malicious scripts reflected in HTML response, exploit requires crafted POST requests. id: CVE-2025-5301 info: name:...

Cloudreve: Privilege Scope Bypass: State-Mutating Admin Operations Accessible via Read-Only OAuth Scope

Summary There is a privilege scope bypass in Cloudreve's admin API where two endpoints that mutate server state are missing the write-scope enforcement that their neighboring endpoints correctly apply. Specifically, the WOPI configuration fetch endpoint and the SMTP test/mail endpoint can both be...

CVE-2026-77637

Cloudreve is a self-hosted file management and sharing system. Prior to 4.18.0, tool.GET"wopi" and tool.POST"mail" in routers/router.go inherit ScopeAdminRead but omit the RequiredScopestypes.ScopeAdminWrite middleware applied to neighboring state-changing admin tool routes. An OAuth application ...

CVE-2026-77637

Cloudreve , a self-hosted file management and sharing system, is affected by a privilege scope bypass prior to version 4.18.0 . The routes tool.GET("wopi") and tool.POST("mail") in routers/router.go inherit the ScopeAdminRead scope but omit the RequiredScopes(types.ScopeAdminWrite) middleware app...

EUVD-2026-84529

Cloudreve is a self-hosted file management and sharing system. Prior to 4.18.0, tool.GET"wopi" and tool.POST"mail" in routers/router.go inherit ScopeAdminRead but omit the RequiredScopestypes.ScopeAdminWrite middleware applied to neighboring state-changing admin tool routes. An OAuth application ...

CVE-2026-77637 Cloudreve: Privilege Scope Bypass: State-Mutating Admin Operations Accessible via Read-Only OAuth Scope

Cloudreve is a self-hosted file management and sharing system. Prior to 4.18.0, tool.GET"wopi" and tool.POST"mail" in routers/router.go inherit ScopeAdminRead but omit the RequiredScopestypes.ScopeAdminWrite middleware applied to neighboring state-changing admin tool routes. An OAuth application ...

CVE-2026-77637 Cloudreve: Privilege Scope Bypass: State-Mutating Admin Operations Accessible via Read-Only OAuth Scope

Cloudreve is a self-hosted file management and sharing system. Prior to 4.18.0, tool.GET"wopi" and tool.POST"mail" in routers/router.go inherit ScopeAdminRead but omit the RequiredScopestypes.ScopeAdminWrite middleware applied to neighboring state-changing admin tool routes. An OAuth application ...

CVE-2020-12432

CVE-2020-12432 Collabora CODE Click here 4. 被害者がリンクを開くと、別のサービスにリダイレクトされ、 すべての Cookie とローカルストレージデータが別のネットワークに 送信されます。 動画: https://www.youtube.com/watch?v=tkRnSr6yc0...

SUSE CVE-2026-55495

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, the WOPI PUTRELATIVE handler passes X-WOPI-SuggestedTarget to URI.JoinRaw as a path rather than a filename, allowing slash and dot-dot segments to escape the source file directory and create or conditionally overwrite...

SUSE CVE-2026-62323

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, ViewerSessionValidation uses only the session-id prefix of a WOPI access token and does not enforce the requested viewer action, allowing a malicious or compromised WOPI viewer with a view session to forge the token...

GO-2026-6104 Cloudreve WOPI view sessions can write files and WOPI access token secret is ignored in github.com/cloudreve/Cloudreve

Cloudreve WOPI view sessions can write files and WOPI access token secret is ignored in github.com/cloudreve/Cloudreve...

GO-2026-6097 Cloudreve: Path Traversal in WOPI PUT_RELATIVE Allows Arbitrary File Creation in Owner Account in github.com/cloudreve/Cloudreve

Cloudreve: Path Traversal in WOPI PUTRELATIVE Allows Arbitrary File Creation in Owner Account in github.com/cloudreve/Cloudreve...

CVE-2026-62323 Cloudreve: Unauthorized file write via WOPI view sessions whose access token secret is ignored

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, ViewerSessionValidation uses only the session-id prefix of a WOPI access token and does not enforce the requested viewer action, allowing a malicious or compromised WOPI viewer with a view session to forge the token...

CVE-2026-55495 Cloudreve: Path Traversal in WOPI PUT_RELATIVE Allows Arbitrary File Creation in Owner Account

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, the WOPI PUTRELATIVE handler passes X-WOPI-SuggestedTarget to URI.JoinRaw as a path rather than a filename, allowing slash and dot-dot segments to escape the source file directory and create or conditionally overwrite...

CVE-2026-55495

Summary: Cloudreve up to v4.16.x is vulnerable to a path traversal via the WOPI PUT_RELATIVE handler. The WOPI header X-WOPI-SuggestedTarget is treated as a path and joined to the source directory using URI.JoinRaw, allowing slashes and dot-dot segments to escape the source file directory and cre...

CVE-2026-62323: Incorrect Authorization

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, ViewerSessionValidation uses only the session-id prefix of a WOPI access token and does not enforce the requested viewer action, allowing a malicious or compromised WOPI viewer with a view session to forge the token...

CVE-2026-55495: Improper Limitation of a Pathname to a Restricted Directory

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, the WOPI PUTRELATIVE handler passes X-WOPI-SuggestedTarget to URI.JoinRaw as a path rather than a filename, allowing slash and dot-dot segments to escape the source file directory and create or conditionally overwrite...

GHSA-C3JM-GV5R-9WCP Cloudreve WOPI view sessions can write files and WOPI access token secret is ignored

Summary Cloudreve WOPI access tokens are generated as ., but the WOPI middleware validates only the session id prefix and never compares the supplied token to the stored token. In addition, a WOPI viewer session does not store or enforce the requested viewer action. A session created for a view o...

GHSA-49H3-CWHJ-4737 Cloudreve: Path Traversal in WOPI PUT_RELATIVE Allows Arbitrary File Creation in Owner Account

Summary Cloudreve's WOPI PUTRELATIVE handler treats X-WOPI-SuggestedTarget as a path, not a filename. It splits the header on / and joins the segments onto the source file's directory with URI.JoinRaw, which feeds Go's url.JoinPath. url.JoinPath resolves ./.. segments, so a slash-bearing target...

PT-2026-64446

Name of the Vulnerable Software and Affected Versions Cloudreve versions prior to 4.17.0 Description Cloudreve fails to properly validate WOPI access tokens and enforce requested viewer actions. The system generates tokens in the format ., but the middleware.ViewerSessionValidation function only...