CVE-2026-52100 Cross-site request forgery in n/a
A CSRF vulnerability in linux-server allows remote attackers to execute arbitrary code via the uploadPutHandler function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-52100?
CVE-2026-52100 is a high-severity vulnerability in n/a, published on 14 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cross Site Request Forgery vulnerability in andreimarcu linux-server v.1.0 through v.2.3.8 allows a remote attacker to execute arbitrary code via the uploadPutHandler function
Weakness: CWE-352
Which versions are affected by CVE-2026-52100?
How do I fix CVE-2026-52100?
No fix has been published for CVE-2026-52100 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-52100 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-52100 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-977p-rxc5-4hrg.