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10 vulnerabilities found for cloudreve by cloudreve
CVE-2026-54563 (GCVE-0-2026-54563)
Vulnerability from nvd – Published: 2026-07-15 14:38 – Updated: 2026-07-15 15:34
VLAI
EPSS
VEX
Title
Cloudreve: Path Traversal / Broken Access Control in Cloudreve WebDAV (`/dav`) — scoped DAV credential escapes its configured account root
Summary
Cloudreve is a self-hosted file management and sharing system. Prior to 4.16.1, a Cloudreve WebDAV account rooted at a configured folder can send paths such as /dav/%2e%2e/outside.txt because stripPrefix in pkg/webdav/webdav.go joins the decoded request suffix to the account root with fs.URI.JoinRaw without checking containment, allowing the scoped credential to read and list files outside the configured folder and writable credentials to create, overwrite, move, or delete them. This issue is reported as fixed in version 4.16.1.
Severity
7.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/cloudreve/cloudreve/security/a… | x_refsource_CONFIRM |
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CVE-2026-54562 (GCVE-0-2026-54562)
Vulnerability from nvd – Published: 2026-07-15 14:37 – Updated: 2026-07-15 15:00
VLAI
EPSS
VEX
Title
Cloudreve: Non-admin remote download users can SSRF loopback/internal services and read imported responses
Summary
Cloudreve is a self-hosted file management and sharing system. Prior to 4.16.1, Cloudreve's remote download workflow accepts user-supplied URLs at POST /api/v4/workflow/download and passes them to the configured downloader without blocking loopback, localhost, IPv6 localhost, or redirect-to-loopback targets, allowing a non-admin user with remote download permission to fetch internal-only URLs and read the response after it is imported into the user's own files. This issue is fixed in version 4.16.1.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/cloudreve/cloudreve/security/a… | x_refsource_CONFIRM |
| https://github.com/cloudreve/cloudreve/commit/aae… | x_refsource_MISC |
| https://github.com/cloudreve/cloudreve/releases/t… | x_refsource_MISC |
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CVE-2026-54560 (GCVE-0-2026-54560)
Vulnerability from nvd – Published: 2026-07-15 14:40 – Updated: 2026-07-15 15:16
VLAI
EPSS
VEX
Title
Cloudreve: OAuth access tokens bypass scope enforcement due to missing client_id claim
Summary
Cloudreve is a self-hosted file management and sharing system. From 4.12.0 until 4.16.1, Cloudreve's OAuth access tokens are issued without the OAuth client_id claim, so the JWT verifier does not load token scopes into request context and RequiredScopes treats the request like non-scoped session authentication, allowing a low-scope OAuth access token to call APIs requiring higher scopes such as file, share, workflow, user setting, WebDAV account, and potentially admin scopes. This issue is fixed in version 4.16.1.
Severity
7.6 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/cloudreve/cloudreve/security/a… | x_refsource_CONFIRM |
| https://github.com/cloudreve/cloudreve/commit/ed2… | x_refsource_MISC |
| https://github.com/cloudreve/cloudreve/releases/t… | x_refsource_MISC |
Impacted products
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CVE-2026-25726 (GCVE-0-2026-25726)
Vulnerability from nvd – Published: 2026-04-03 20:06 – Updated: 2026-04-04 03:21
VLAI
EPSS
VEX
Title
Cloudreve is vulnerable to Account Takeover via Weak Cryptographic Token Generation (Insecure PRNG Seeding)
Summary
Cloudreve is a self-hosted file management and sharing system. Prior to version 4.13.0, the application uses the weak pseudo-random number generator math/rand seeded with time.Now().UnixNano() to generate critical security secrets, including the secret_key, and hash_id_salt. These secrets are generated upon first startup and persisted in the database. An attacker can exploit this by obtaining the administrator's account creation time (via public API endpoints) to narrow the search window for the PRNG seed, and use known hashid to validate the seed. By brute-forcing the seed (demonstrated to take <3 hours on general consumer PC), an attacker can predict the secret_key. This allows them to forge valid JSON Web Tokens (JWTs) for any user, including administrators, leading to full account takeover and privilege escalation. This issue has been patched in version 4.13.0.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/cloudreve/cloudreve/security/a… | x_refsource_CONFIRM |
| https://github.com/cloudreve/cloudreve/releases/t… | x_refsource_MISC |
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CVE-2022-32167 (GCVE-0-2022-32167)
Vulnerability from nvd – Published: 2022-09-20 14:45 – Updated: 2025-05-29 13:50
VLAI
EPSS
VEX
Title
Cloudreve - Stored XSS
Summary
Cloudreve versions v1.0.0 through v3.5.3 are vulnerable to Stored Cross-Site Scripting (XSS), via the file upload functionality. A low privileged user will be able to share a file with an admin user, which could lead to privilege escalation.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Cross-site Scripting (XSS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.mend.io/vulnerability-database/CVE-20… | x_refsource_MISC |
Impacted products
Credits
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CVE-2026-54560 (GCVE-0-2026-54560)
Vulnerability from cvelistv5 – Published: 2026-07-15 14:40 – Updated: 2026-07-15 15:16
VLAI
EPSS
VEX
Title
Cloudreve: OAuth access tokens bypass scope enforcement due to missing client_id claim
Summary
Cloudreve is a self-hosted file management and sharing system. From 4.12.0 until 4.16.1, Cloudreve's OAuth access tokens are issued without the OAuth client_id claim, so the JWT verifier does not load token scopes into request context and RequiredScopes treats the request like non-scoped session authentication, allowing a low-scope OAuth access token to call APIs requiring higher scopes such as file, share, workflow, user setting, WebDAV account, and potentially admin scopes. This issue is fixed in version 4.16.1.
Severity
7.6 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/cloudreve/cloudreve/security/a… | x_refsource_CONFIRM |
| https://github.com/cloudreve/cloudreve/commit/ed2… | x_refsource_MISC |
| https://github.com/cloudreve/cloudreve/releases/t… | x_refsource_MISC |
Impacted products
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CVE-2026-54563 (GCVE-0-2026-54563)
Vulnerability from cvelistv5 – Published: 2026-07-15 14:38 – Updated: 2026-07-15 15:34
VLAI
EPSS
VEX
Title
Cloudreve: Path Traversal / Broken Access Control in Cloudreve WebDAV (`/dav`) — scoped DAV credential escapes its configured account root
Summary
Cloudreve is a self-hosted file management and sharing system. Prior to 4.16.1, a Cloudreve WebDAV account rooted at a configured folder can send paths such as /dav/%2e%2e/outside.txt because stripPrefix in pkg/webdav/webdav.go joins the decoded request suffix to the account root with fs.URI.JoinRaw without checking containment, allowing the scoped credential to read and list files outside the configured folder and writable credentials to create, overwrite, move, or delete them. This issue is reported as fixed in version 4.16.1.
Severity
7.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/cloudreve/cloudreve/security/a… | x_refsource_CONFIRM |
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CVE-2026-54562 (GCVE-0-2026-54562)
Vulnerability from cvelistv5 – Published: 2026-07-15 14:37 – Updated: 2026-07-15 15:00
VLAI
EPSS
VEX
Title
Cloudreve: Non-admin remote download users can SSRF loopback/internal services and read imported responses
Summary
Cloudreve is a self-hosted file management and sharing system. Prior to 4.16.1, Cloudreve's remote download workflow accepts user-supplied URLs at POST /api/v4/workflow/download and passes them to the configured downloader without blocking loopback, localhost, IPv6 localhost, or redirect-to-loopback targets, allowing a non-admin user with remote download permission to fetch internal-only URLs and read the response after it is imported into the user's own files. This issue is fixed in version 4.16.1.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/cloudreve/cloudreve/security/a… | x_refsource_CONFIRM |
| https://github.com/cloudreve/cloudreve/commit/aae… | x_refsource_MISC |
| https://github.com/cloudreve/cloudreve/releases/t… | x_refsource_MISC |
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CVE-2026-25726 (GCVE-0-2026-25726)
Vulnerability from cvelistv5 – Published: 2026-04-03 20:06 – Updated: 2026-04-04 03:21
VLAI
EPSS
VEX
Title
Cloudreve is vulnerable to Account Takeover via Weak Cryptographic Token Generation (Insecure PRNG Seeding)
Summary
Cloudreve is a self-hosted file management and sharing system. Prior to version 4.13.0, the application uses the weak pseudo-random number generator math/rand seeded with time.Now().UnixNano() to generate critical security secrets, including the secret_key, and hash_id_salt. These secrets are generated upon first startup and persisted in the database. An attacker can exploit this by obtaining the administrator's account creation time (via public API endpoints) to narrow the search window for the PRNG seed, and use known hashid to validate the seed. By brute-forcing the seed (demonstrated to take <3 hours on general consumer PC), an attacker can predict the secret_key. This allows them to forge valid JSON Web Tokens (JWTs) for any user, including administrators, leading to full account takeover and privilege escalation. This issue has been patched in version 4.13.0.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/cloudreve/cloudreve/security/a… | x_refsource_CONFIRM |
| https://github.com/cloudreve/cloudreve/releases/t… | x_refsource_MISC |
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CVE-2022-32167 (GCVE-0-2022-32167)
Vulnerability from cvelistv5 – Published: 2022-09-20 14:45 – Updated: 2025-05-29 13:50
VLAI
EPSS
VEX
Title
Cloudreve - Stored XSS
Summary
Cloudreve versions v1.0.0 through v3.5.3 are vulnerable to Stored Cross-Site Scripting (XSS), via the file upload functionality. A low privileged user will be able to share a file with an admin user, which could lead to privilege escalation.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Cross-site Scripting (XSS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.mend.io/vulnerability-database/CVE-20… | x_refsource_MISC |
Impacted products
Credits
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