bolo-blog bolo-solo up to 2.6.4 Filename BackupService.java importFromMarkdown File path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in bolo-blog bolo-solo up to 2.6.4. This impacts the function importFromMarkdown 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. This vulnerability is traded as CVE-2026-1811. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability was found in bolo-blog bolo-solo up to 2.6.4. It has been rated as critical. This issue affects the function importFromMarkdown of the file src/main/java/org/b3log/solo/bolo/prop/BackupService.java of the component Filename Handler. The manipulation of the argument file with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-1811. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is available at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-5153). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/03/2026 Advisory disclosed
02/03/2026 +0 days VulDB entry created
03/03/2026 +28 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 327
Status: Not defined

CVE: CVE-2026-1811 (🔒)
GCVE (CVE): GCVE-0-2026-1811
GCVE (VulDB): GCVE-100-343979
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/03/2026 15:09
Updated: 03/03/2026 16:43
Changes: 02/03/2026 15:09 (60), 02/04/2026 05:47 (1), 02/05/2026 12:20 (30), 03/03/2026 16:43 (12)
Complete: 🔍
Submitter: MaoQiu
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #742437: https://github.com/bolo-blog/bolo-solo bolo-solo V2.6.4 Arbitrary File Write and Remote Code Execution (by MaoQiu)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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