Remote File Upload Vulnerability in Bolo-Blog Bolo-Solo Product
CVE-2026-1813

5.3MEDIUM

Key Information:

Vendor

Bolo-blog

Status
Bolo-solo
Vendor
CVE Published:
3 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1813?

A vulnerability exists in the Bolo-Solo application affecting versions up to 2.6.4. An issue within the FreeMarker Template Handler's PicUploadProcessor.java file allows remote attackers to upload arbitrary files. This flaw can be exploited without restriction, posing significant risks to the system's integrity and security. Despite prior notification of the issue by users, the development team has not yet issued a response or patch. This situation makes it essential for users to assess their exposure and consider remediation strategies.

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Affected Version(s)

bolo-solo 2.6.0

bolo-solo 2.6.1

bolo-solo 2.6.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-1813 - Proof of Concept

References

https://vuldb.com/?id.343981
vdb-entrytechnical-description
https://vuldb.com/?ctiid.343981
signaturepermissions-required
https://vuldb.com/?submit.743402
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

MaoQiu (VulDB User)
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