Critical severity · published Feb 3, 2026
CVE-2026-1812
bolo-blog bolo-solo Filename BackupService.java importFromCnblogs path traversal
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BO
bolo-solo · bolo-blog
2.6.0; 2.6.1; 2.6.2; 2.6.3; 2.6.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1812
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1812
Product
https://github.com/bolo-blog/bolo-solo/
Exploit
https://github.com/bolo-blog/bolo-solo/issues/328
Permissions Required
https://vuldb.com/?ctiid.343980
Third Party Advisory
https://vuldb.com/?id.343980
Third Party Advisory
https://vuldb.com/?submit.742582
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