Vulnerability · Published Mar 27, 2026 · Assigned by CERT-PL
CVE-2026-25099Remote Code Execution via Unrestricted File Upload in Bludit
High 8.7
In plain English
A high-severity unrestricted file upload in Bludit from Bludit. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 4.0)8.7High
Exploit odds (30 days)2.0%top 19.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
Bludit’s API plugin allows an authenticated attacker with a valid API token to upload files of any type and extension without restriction, which can then be executed, leading to Remote Code Execution. This issue was fixed in 3.18.4.
Affected products (as reported)
Weakness: CWE-434 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
References
- https://cert.pl/posts/2026/03/CVE-2026-25099 third-party-advisory
- https://github.com/bludit/bludit/releases/tag/3.18.4 release-notes