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%.

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

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

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

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. …

Unlock full vulnerability intelligence

Risk assessment & exploitation conditions
Attack chain visualization
Remediation with exact patch versions
Threat intelligence from 22 sources
Personal watchlist & email alerts

Continue with Google Continue with GitHub

Free forever · No credit card required

Vulnerability AssessmentAI

Risk Assessment	CVSS 6.3 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker could exploit this flaw, path traversal.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

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

Threat intelligence, references, and detailed analysis are available after sign-in.

More from same product – last 7 days

CVE-2026-28575 CRITICAL Act Now

10.0 Jun 17

Local denial of service in Android's PackageInstaller subsystem stems from a logic error in PackageInstallerSession.tran

CVE-2026-41699 CRITICAL Act Now

9.8 Jun 11

Remote code execution in Spring for GraphQL versions 1.3.0-1.3.8, 1.4.0-1.4.5, and 2.0.0-2.0.3 allows unauthenticated at

CVE-2026-47835 HIGH This Week

8.6 Jun 15

NoSQL/query injection in Spring AI Vector Stores (1.0.0-1.0.8 and 1.1.0-1.1.7) allows remote unauthenticated attackers t

CVE-2026-47825 HIGH This Week

8.6 Jun 15

Origin validation failure in Spring Cloud Gateway (WebMVC and WebFlux Server variants) allows remote attackers to spoof

CVE-2026-40999 HIGH This Week

8.6 Jun 11

Server-Side Request Forgery in Spring Web Services (versions 3.1.0-3.1.8, 4.0.0-4.0.18, 4.1.0-4.1.3, and 5.0.0-5.0.1) al

CVE-2026-1812 vulnerability details – vuln.today

Back