CVE-2026-1813

Name: CVE-2026-1813
Creator: NVD / NIST
Published: 2026-02-04T00:16:08.743+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2026-1813 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. 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. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

CVSS 4.0

2.1/10

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/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

EPSS Probability

0.33%

25.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Adlered	Bolo-Solo	<= 2.6.4

References

https://github.com/bolo-blog/bolo-solo/Product
https://github.com/bolo-blog/bolo-solo/issues/329Exploit, Issue Tracking, Vendor Advisory
https://vuldb.com/?ctiid.343981Permissions Required, VDB Entry
https://vuldb.com/?id.343981Third Party Advisory, VDB Entry
https://vuldb.com/?submit.743402Third Party Advisory, VDB Entry

Timeline

Published: Feb 4, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-1813?

How severe is CVE-2026-1813?

CVE-2026-1813 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2026-1813?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-1813?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST