CVE-2026-1691 | THREATINT

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.

PUBLISHED Reserved 2026-01-30 | Published 2026-01-30 | Updated 2026-02-23 | Assigner VulDB

MEDIUM: 5.3CVSS: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

MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C

Problem types

Deserialization

Improper Input Validation

Timeline

2026-01-30:	Advisory disclosed
2026-01-30:	VulDB entry created
2026-01-31:	VulDB entry last update

Credits

MaoQiu (VulDB User) reporter

References

vuldb.com/?id.343485 (VDB-343485 | bolo-solo SnakeYAML BackupService.java importMarkdownsSync deserialization) vdb-entry technical-description

vuldb.com/?ctiid.343485 (VDB-343485 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.741899 (Submit #741899 | bolo-solo V2.6.4 SnakeYAML deserialization vulnerability) third-party-advisory

github.com/bolo-blog/bolo-solo/issues/325 issue-tracking

github.com/bolo-blog/bolo-solo/issues/325 exploit issue-tracking

cve.org (CVE-2026-1691)

nvd.nist.gov (CVE-2026-1691)

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