bolo-blog bolo-solo up to 2.6.4 FreeMarker Template PicUploadProcessor.java File unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in bolo-blog bolo-solo up to 2.6.4. Affected by this vulnerability is an unknown functionality of the file src/main/java/org/b3log/solo/bolo/pic/PicUploadProcessor.java of the component FreeMarker Template Handler. This manipulation of the argument File causes unrestricted upload. This vulnerability is handled as CVE-2026-1813. The attack can be initiated remotely. Additionally, an exploit exists. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability classified as critical was found in bolo-blog bolo-solo up to 2.6.4. Affected by this vulnerability is an unknown functionality of the file src/main/java/org/b3log/solo/bolo/pic/PicUploadProcessor.java of the component FreeMarker Template Handler. The manipulation of the argument file with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-1813. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

It is possible to download the exploit 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 CNNVD (CNNVD-202602-532). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 7.5
VulDB Meta Temp Score: 7.3

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

NVD Base Score: 9.8
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: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
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: 329
Status: Not defined

CVE: CVE-2026-1813 (🔒)
GCVE (CVE): GCVE-0-2026-1813
GCVE (VulDB): GCVE-100-343981
CNNVD: CNNVD-202602-532 - bolo-solo 代码问题漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/03/2026 15:09
Updated: 03/03/2026 03:28
Changes: 02/03/2026 15:09 (59), 02/04/2026 19:03 (6), 02/05/2026 12:20 (30), 03/03/2026 03:28 (12)
Complete: 🔍
Submitter: MaoQiu
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #743402: https://github.com/bolo-blog/bolo-solo bolo-solo V2.6.4 Arbitrary File Write and RCE (by MaoQiu)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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