FreshRSS up to 1.26.1 insertion of sensitive information into sent data

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in FreshRSS up to 1.26.1. It has been classified as problematic. The impacted element is an unknown function. This manipulation causes insertion of sensitive information into sent data. This vulnerability is tracked as CVE-2025-31134. The attack is possible to be carried out remotely. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in FreshRSS up to 1.26.1 and classified as problematic. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a insertion of sensitive information into sent data vulnerability. The CWE definition for the vulnerability is CWE-201. The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor. As an impact it is known to affect confidentiality. The summary by CVE is:

FreshRSS is a self-hosted RSS feed aggregator. Prior to version 1.26.2, an attacker can gain additional information about the server by checking if certain directories exist. An attacker can, for example, check if older PHP versions are installed or if certain software is installed on the server and potentially use that information to further attack the server. Version 1.26.2 contains a patch for the issue.

The advisory is shared at github.com. This vulnerability is known as CVE-2025-31134 since 03/26/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but an exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

It is declared as proof-of-concept.

Upgrading to version 1.26.2 eliminates this vulnerability.

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Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Insertion of sensitive information into sent data
CWE: CWE-201 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FreshRSS 1.26.2

Timelineinfo

03/26/2025 🔍
06/04/2025 +69 days 🔍
06/04/2025 +0 days 🔍
06/11/2025 +6 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2025-31134 (🔍)
GCVE (CVE): GCVE-0-2025-31134
GCVE (VulDB): GCVE-100-311197
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/04/2025 21:59
Updated: 06/11/2025 00:32
Changes: 06/04/2025 21:59 (66), 06/11/2025 00:32 (14)
Complete: 🔍
Cache ID: 216::103

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