Vulnerability · Published Feb 3, 2026 · Assigned by VulDB
CVE-2026-1810bolo-blog bolo-solo ZIP File BackupService.java unpackFilteredZip path traversal
Medium 6.3
In plain English
A medium-severity path traversal in bolo-solo from bolo-blog. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).
Official description
A vulnerability was detected in bolo-blog bolo-solo up to 2.6.4. The impacted element is the function unpackFilteredZip of the file src/main/java/org/b3log/solo/bolo/prop/BackupService.java of the component ZIP File Handler. Performing a manipulation of the argument File results in path traversal. The attack is possible to be carried out remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-343978 | bolo-blog bolo-solo ZIP File BackupService.java unpackFilteredZip path traversal vdb-entry, technical-description
- VDB-343978 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #742422 | https://github.com/bolo-blog/bolo-solo/ bolo-solo V2.6.4 Write any file third-party-advisory
- https://github.com/bolo-blog/bolo-solo/issues/326 exploit, issue-tracking
- https://github.com/bolo-blog/bolo-solo/ product