CVE-2026-1813

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

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.

Affected

bolo-blog · bolo-solo

CVSS v4.0 VULDB

2.1 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 VULDB

6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 VULDB

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

0.38% chance of exploitation in the next 30 days, 30th percentile

Published

2026-02-03

Updated

2026-02-23

Proof-of-concept exploits (1)

• bolo-blog/bolo-solo/issues/3291345★ · 2025-12-05

Security advisories

• https://vuldb.com/?id.343981
• https://vuldb.com/?submit.743402

References

• CVE Record
• NVD entry

Related

• CVE-2026-1691
• CVE-2026-1810
• CVE-2026-1811
• CVE-2026-1812
• CVE-2026-4616