CVE-2025-11273 LaChatterie Verger provider.ts redirectToAuthorization deserialization
Remote attackers can exploit unsafe deserialization in the OAuth provider to potentially execute arbitrary code.
- 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-2025-11273?
CVE-2025-11273 is a medium-severity unsafe deserialization vulnerability in LaChatterie Verger, published on 4 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in LaChatterie Verger up to 1.2.10. This impacts the function redirectToAuthorization of the file /src/main/services/mcp/oauth/provider.ts. The manipulation of the argument URL results in deserialization. The attack can be executed remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2025-11273?
How do I fix CVE-2025-11273?
No fix has been published for CVE-2025-11273 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-11273 being exploited?
There is no known exploitation of CVE-2025-11273 in the wild and no public exploit code.
Sources
Also known as GHSA-hw65-fjrm-3v2f.