CVE-2026-1813

bolo-blog bolo-solo FreeMarker Template PicUploadProcessor.java unrestricted upload

CVSS 5.3 MEDIUMEPSS 0.3%CWE-284 CWE-434

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

03 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

bolo-blog · bolo-solo

References

https://github.com/bolo-blog/bolo-solo/https://github.com/bolo-blog/bolo-solo/issues/329 https://vuldb.com/?ctiid.343981 https://vuldb.com/?id.343981 https://vuldb.com/?submit.743402