CVE-2026-1813 MEDIUM

CVE-2026-1813: bolo-blog bolo-solo FreeMarker Template PicUploadProcessor.java unrestricted upload

Vendor Bolo-Blog
Product bolo-solo
Weakness CWE-434 · Unrestricted file upload
Published February 3, 2026
Last update February 23, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

Description

A vulnerability was found in bolo-blog bolo-solo up to 2.6.4. Affected is an unknown function of the file src/main/java/org/b3log/solo/bolo/pic/PicUploadProcessor.java of the component FreeMarker Template Handler. The manipulation of the argument File results in unrestricted upload. It is possible to launch the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

Key dates

Disclosure timeline

February 3, 2026 CVE published
February 23, 2026 Record updated