CVE-2026-1691

Name: CVE-2026-1691
Creator: NVD / NIST
Published: 2026-01-30T17:16:14.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2026-1691 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. A vulnerability has been found in bolo-solo up to 2.6.4. This impacts the function importMarkdownsSync of the file src/main/java/org/b3log/solo/bolo/prop/BackupService.java of the component SnakeYAML. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

A vulnerability has been found in bolo-solo up to 2.6.4. This impacts the function importMarkdownsSync of the file src/main/java/org/b3log/solo/bolo/prop/BackupService.java of the component SnakeYAML. Such manipulation leads to deserialization. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/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

0.50%

38.9th 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/issues/325Exploit, Issue Tracking, Vendor Advisory
https://github.com/bolo-blog/bolo-solo/issues/325#issue-3828755519Exploit, Issue Tracking, Vendor Advisory
https://vuldb.com/?ctiid.343485Permissions Required, VDB Entry
https://vuldb.com/?id.343485Third Party Advisory, VDB Entry
https://vuldb.com/?submit.741899Third Party Advisory, VDB Entry

Timeline

Published: Jan 30, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-1691?

How severe is CVE-2026-1691?

CVE-2026-1691 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2026-1691?

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-2026-1691?

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

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Source: NVD / NIST