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7.5
HIGH CVSS 3.1
CVE-2025-68148
FreshRSS globally denies access to feed via proxy modifying to 429 Retry-After
Description

FreshRSS is a free, self-hostable RSS aggregator. From version 1.27.0 to before 1.28.0, An attacker could globally deny access to feeds via proxy modifying to 429 Retry-After for a large list of feeds on given instance, making it unusable for majority of users. This issue has been patched in version 1.28.0.

INFO

Published Date :

Dec. 27, 2025, 12:15 a.m.

Last Modified :

Dec. 31, 2025, 9:16 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-68148 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Freshrss freshrss
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM MITRE-CVE
CVSS 3.1 HIGH [email protected]
Solution
Update FreshRSS to version 1.28.0 or later to fix the denial-of-service vulnerability.
  • Update FreshRSS to version 1.28.0.
  • Apply security patches promptly.
  • Monitor system availability.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-68148.

URL Resource
https://github.com/FreshRSS/FreshRSS/commit/7d4854a0a4f5665db599f18c34035786465639f3 Patch
https://github.com/FreshRSS/FreshRSS/pull/8029 Issue Tracking
https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-qw34-frg7-gf78 Exploit Patch Vendor Advisory
https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-qw34-frg7-gf78 Exploit Patch Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-68148 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-68148 weaknesses.

CAPEC-125: Flooding Flooding CAPEC-130: Excessive Allocation Excessive Allocation CAPEC-147: XML Ping of the Death XML Ping of the Death CAPEC-197: Exponential Data Expansion Exponential Data Expansion CAPEC-229: Serialized Data Parameter Blowup Serialized Data Parameter Blowup CAPEC-230: Serialized Data with Nested Payloads Serialized Data with Nested Payloads CAPEC-231: Oversized Serialized Data Payloads Oversized Serialized Data Payloads CAPEC-469: HTTP DoS HTTP DoS CAPEC-482: TCP Flood TCP Flood CAPEC-486: UDP Flood UDP Flood CAPEC-487: ICMP Flood ICMP Flood CAPEC-488: HTTP Flood HTTP Flood CAPEC-489: SSL Flood SSL Flood CAPEC-490: Amplification Amplification CAPEC-491: Quadratic Data Expansion Quadratic Data Expansion CAPEC-493: SOAP Array Blowup SOAP Array Blowup CAPEC-494: TCP Fragmentation TCP Fragmentation CAPEC-495: UDP Fragmentation UDP Fragmentation CAPEC-496: ICMP Fragmentation ICMP Fragmentation CAPEC-528: XML Flood XML Flood

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-68148 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-68148 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Dec. 31, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CPE Configuration OR *cpe:2.3:a:freshrss:freshrss:*:*:*:*:*:*:*:* versions from (including) 1.27.0 up to (excluding) 1.28.0
    Added Reference Type GitHub, Inc.: https://github.com/FreshRSS/FreshRSS/commit/7d4854a0a4f5665db599f18c34035786465639f3 Types: Patch
    Added Reference Type GitHub, Inc.: https://github.com/FreshRSS/FreshRSS/pull/8029 Types: Issue Tracking
    Added Reference Type CISA-ADP: https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-qw34-frg7-gf78 Types: Exploit, Patch, Vendor Advisory
    Added Reference Type GitHub, Inc.: https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-qw34-frg7-gf78 Types: Exploit, Patch, Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Dec. 29, 2025

    Action Type Old Value New Value
    Added Reference https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-qw34-frg7-gf78
  • New CVE Received by [email protected]

    Dec. 27, 2025

    Action Type Old Value New Value
    Added Description FreshRSS is a free, self-hostable RSS aggregator. From version 1.27.0 to before 1.28.0, An attacker could globally deny access to feeds via proxy modifying to 429 Retry-After for a large list of feeds on given instance, making it unusable for majority of users. This issue has been patched in version 1.28.0.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Added CWE CWE-770
    Added Reference https://github.com/FreshRSS/FreshRSS/commit/7d4854a0a4f5665db599f18c34035786465639f3
    Added Reference https://github.com/FreshRSS/FreshRSS/pull/8029
    Added Reference https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-qw34-frg7-gf78
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact