Which versions of Java are affected by CVE-2026-1812?

Organizations using bolo-blog bolo-solo should be aware of moderate risk from CVE-2026-1812, a path traversal vulnerability rated CVSS 6.3. This could allow unauthorized file access.

Is there a public PoC exploit available for CVE-2026-1812?

Yes, a public proof-of-concept exploit is available for CVE-2026-1812. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-1812?

Within 30 days: Identify affected systems running bolo-blog bolo-solo and apply vendor patches as part of regular patch cycle. Review file handling controls.

Java CVE-2026-1812

Q: What is the CVSS score of CVE-2026-1812?

CVE-2026-1812 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS: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. EPSS exploitation probability: 0.1%.

LOW

Path Traversal (CWE-22)

2026-02-03 cna@vuldb.com

Java Path Traversal Bolo Solo Adlered

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS: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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Mar 03, 2026 - 00:16 vuln.today

Public exploit code

CVE Published

Feb 03, 2026 - 23:16 nvd

MEDIUM 6.3

DescriptionCVE.org

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.

AnalysisAI

Path traversal in Bolo Solo up to version 2.6.4 allows authenticated attackers to manipulate file path arguments in the backup import function, potentially accessing or modifying arbitrary files on the affected system. Public exploit code exists for this vulnerability, and the maintainers have not yet released a patch despite early notification. The attack requires valid credentials but can be executed remotely over the network.

Technical ContextAI

Classified as CWE-22 (Path Traversal). Affects Bolo-Solo. 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.

RemediationAI

Monitor vendor advisories for a patch. Validate and sanitize file path inputs. Use allowlists. Restrict network access to the affected service where possible.