Medium 6.3Published Feb 3, 2026

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

Updated under an hour ago (Oct 26, 2026, 8:00 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for bolo-blog bolo-solo

Exploited in the last 30 days

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: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-434, CWE-284
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Feb 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

bolo-blog bolo-solo bolo_blog:bolo_solo (from the name)	2.6.0; 2.6.1; 2.6.2; 2.6.3; 2.6.4	CNA record
adlered bolo-solo adlered:bolo-solo	through 2.6.4	NVD

References

References

https://vuldb.com/?id.343981	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.343981	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.743402	third-party-advisory, vdb-entry
https://github.com/bolo-blog/bolo-solo/issues/329	exploit, issue-tracking, vendor-advisory
https://github.com/bolo-blog/bolo-solo/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.