Deserialization in Adlered Bolo-Solo
CVE-2026-1691
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.006 (45.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Adlered Bolo-Solo
- Bolo-Solo — versions 2.6.0, 2.6.1, 2.6.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/bolo-blog/bolo-solo/issues/325 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
- github.com/bolo-blog/bolo-solo/issues/325 (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-1691?
- CVE-2026-1691 is a medium-severity vulnerability in Adlered Bolo-Solo, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2026-01-30.
- How severe is CVE-2026-1691?
- Medium severity. CVSS v3 base score is 6.3 out of 10.