CVE-2026-1811: bolo-blog bolo-solo Filename BackupService.java importFromMarkdown path traversal

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-03 · updated 2026-06-17
Weakness: CWE-22

Description

A flaw has been found in bolo-blog bolo-solo up to 2.6.4. This affects the function importFromMarkdown of the file src/main/java/org/b3log/solo/bolo/prop/BackupService.java of the component Filename Handler. Executing a manipulation of the argument File can lead to path traversal. The attack may be performed from remote. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

bolo-blog bolo-solo: through 2.6.4

References

https://github.com/bolo-blog/bolo-solo/
https://github.com/bolo-blog/bolo-solo/issues/327
https://vuldb.com/?ctiid.343979
https://vuldb.com/?id.343979
https://vuldb.com/?submit.742437

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