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Vulnerability Details :

CVE-2025-46341

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-04 Jun, 2025 | 20:09
Updated At-04 Jun, 2025 | 20:49
Rejected At-
Credits

Privilege escalation via SSRF when using HTTP auth

FreshRSS is a self-hosted RSS feed aggregator. Prior to version 1.26.2, when the server is using HTTP auth via reverse proxy, it's possible to impersonate any user either via the `Remote-User` header or the `X-WebAuth-User` header by making specially crafted requests via the add feed functionality and obtaining the CSRF token via XPath scraping. The attacker has to know the IP address of the proxied FreshRSS instance and the admin's username, while also having an account on the instance. An attacker can send specially crafted requests in order to gain unauthorized access to internal services. This can also lead to privilege escalation like in the demonstrated scenario, although users that have setup OIDC are not affected by privilege escalation. Version 1.26.2 contains a patch for the issue.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:04 Jun, 2025 | 20:09
Updated At:04 Jun, 2025 | 20:49
Rejected At:
▼CVE Numbering Authority (CNA)
Privilege escalation via SSRF when using HTTP auth

FreshRSS is a self-hosted RSS feed aggregator. Prior to version 1.26.2, when the server is using HTTP auth via reverse proxy, it's possible to impersonate any user either via the `Remote-User` header or the `X-WebAuth-User` header by making specially crafted requests via the add feed functionality and obtaining the CSRF token via XPath scraping. The attacker has to know the IP address of the proxied FreshRSS instance and the admin's username, while also having an account on the instance. An attacker can send specially crafted requests in order to gain unauthorized access to internal services. This can also lead to privilege escalation like in the demonstrated scenario, although users that have setup OIDC are not affected by privilege escalation. Version 1.26.2 contains a patch for the issue.

Affected Products
Vendor
FreshRSS
Product
FreshRSS
Versions
Affected
  • < 1.26.2
Problem Types
TypeCWE IDDescription
CWECWE-918CWE-918: Server-Side Request Forgery (SSRF)
Type: CWE
CWE ID: CWE-918
Description: CWE-918: Server-Side Request Forgery (SSRF)
Metrics
VersionBase scoreBase severityVector
3.17.1HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-w3m8-wcf4-h8vm
x_refsource_CONFIRM
https://github.com/FreshRSS/FreshRSS/commit/6bb8680ae0051b9a2ff344f17814f4fa5d844628
x_refsource_MISC
Hyperlink: https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-w3m8-wcf4-h8vm
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/FreshRSS/FreshRSS/commit/6bb8680ae0051b9a2ff344f17814f4fa5d844628
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:04 Jun, 2025 | 21:15
Updated At:12 Aug, 2025 | 15:34

FreshRSS is a self-hosted RSS feed aggregator. Prior to version 1.26.2, when the server is using HTTP auth via reverse proxy, it's possible to impersonate any user either via the `Remote-User` header or the `X-WebAuth-User` header by making specially crafted requests via the add feed functionality and obtaining the CSRF token via XPath scraping. The attacker has to know the IP address of the proxied FreshRSS instance and the admin's username, while also having an account on the instance. An attacker can send specially crafted requests in order to gain unauthorized access to internal services. This can also lead to privilege escalation like in the demonstrated scenario, although users that have setup OIDC are not affected by privilege escalation. Version 1.26.2 contains a patch for the issue.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.1HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
CPE Matches
freshrss
freshrss
>>freshrss>>Versions before 1.26.2(exclusive)
cpe:2.3:a:freshrss:freshrss:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-918Primarysecurity-advisories@github.com
CWE ID: CWE-918
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/FreshRSS/FreshRSS/commit/6bb8680ae0051b9a2ff344f17814f4fa5d844628security-advisories@github.com
Patch
https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-w3m8-wcf4-h8vmsecurity-advisories@github.com
Exploit
Vendor Advisory
Hyperlink: https://github.com/FreshRSS/FreshRSS/commit/6bb8680ae0051b9a2ff344f17814f4fa5d844628
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-w3m8-wcf4-h8vm
Source: security-advisories@github.com
Resource:
Exploit
Vendor Advisory

Change History

0
Information is not available yet

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