CVE-2026-1812

bolo-blog bolo-solo Filename BackupService.java importFromCnblogs path traversal

A vulnerability has been found in bolo-blog bolo-solo up to 2.6.4. This impacts the function importFromCnblogs of the file src/main/java/org/b3log/solo/bolo/prop/BackupService.java of the component Filename Handler. The manipulation of the argument File leads to path traversal. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected

bolo-blog · bolo-solo

CVSS v4.0 VULDB

2.1 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 VULDB

6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 VULDB

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

0.48% chance of exploitation in the next 30 days, 40th percentile

Published

2026-02-03

Updated

2026-02-23

Proof-of-concept exploits (1)

• bolo-blog/bolo-solo/issues/3281345★ · 2025-12-05

Security advisories

• https://vuldb.com/?id.343980
• https://vuldb.com/?submit.742582

References

• CVE Record
• NVD entry

Related

• CVE-2026-1691
• CVE-2026-1810
• CVE-2026-1811
• CVE-2026-1813
• CVE-2026-4616