Improper Access Controls in Yeqifu Warehouse Cache Sync Handler
CVE-2026-2849

5.3MEDIUM

Key Information:

Vendor

Yeqifu

Status
Warehouse
Vendor
CVE Published:
20 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2849?

A vulnerability exists in the Cache Sync Handler of the Yeqifu Warehouse that allows attackers to manipulate access controls improperly. The issue lies within the deleteCache/removeAllCache/syncCache functions of the CacheController.java file. Since this vulnerability can be exploited remotely, it poses a significant risk to users. Although the project was alerted about the vulnerability via an issue report, there has been no response or patch provided. The product operates on a rolling release model, complicating version tracking for both affected and updated releases.

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Deploy the Patch

Affected Version(s)

warehouse aaf29962ba407d22d991781de28796ee7b4670e4

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-2026-2849 - Proof of Concept

References

https://vuldb.com/?id.347085
vdb-entrytechnical-description
https://vuldb.com/?ctiid.347085
signaturepermissions-required
https://vuldb.com/?submit.754428
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
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

AliceS614 (VulDB User)
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