CVE-2025-68148 FreshRSS globally denies access to feed via proxy modifying to 429 Retry-After
Attackers can deny service to FreshRSS users by manipulating proxy responses to trigger rate limits on feed access.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-68148?
CVE-2025-68148 is a medium-severity denial of service vulnerability in FreshRSS, published on 26 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-770
Which versions are affected by CVE-2025-68148?
It affects 1 product.
Products include Freshrss Freshrss.
How do I fix CVE-2025-68148?
No fix has been published for CVE-2025-68148 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-68148 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-68148 exists.
Other vulnerabilities in FreshRSS
- CVE-2025-54875 FreshRSS: Unauthorized creation of admin user when registration is enabled
- CVE-2025-54592 FreshRSS has Incomplete Session Termination on Logout
- CVE-2025-62166 FreshRSS has an IDOR which allows for viewing feeds of any user and leaking tokens
- CVE-2025-54591 FreshRSS: Unauthenticated users can view default user's information
- CVE-2025-58173 FreshRSS vulnerable to authenticated RCE via path traversal inside include()
Sources
Also known as GHSA-qw34-frg7-gf78.