Arbitrary file upload in Bludit
CVE-2026-25099
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.
Vulnerability class: Unrestricted File Upload
EPSS: 0.005 (67.6th percentile) — read the EPSS interpretation.
Affected products
- Bludit — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cert.pl/posts/2026/03/CVE-2026-25099 (third-party-advisory)
- github.com/bludit/bludit/releases/tag/3.18.4 (release-notes)
Frequently asked questions
- What is CVE-2026-25099?
- CVE-2026-25099 is a vulnerability in Bludit, classified under Unrestricted Upload of File with Dangerous Type. Published 2026-03-27.
- Is CVE-2026-25099 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.