CVE-2026-1691

bolo-solo SnakeYAML BackupService.java importMarkdownsSync deserialization

CVSS 5.3 MEDIUMEPSS 0.5%CWE-20 CWE-502

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

30 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

n/a · bolo-solo

References

https://github.com/bolo-blog/bolo-solo/issues/325 https://github.com/bolo-blog/bolo-solo/issues/325#issue-3828755519 https://vuldb.com/?ctiid.343485 https://vuldb.com/?id.343485 https://vuldb.com/?submit.741899