XML External Entity Injection in O2OA by 浙江兰德纵横网络技术股份有限公司
CVE-2026-2074

5.3MEDIUM

Key Information:

Vendor

浙江兰德纵横网络技术股份有限公司

Status
O2oa
Vendor
CVE Published:
7 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2074?

A notable vulnerability exists in O2OA versions up to 9.0.0, specifically concerning a function within the HTTP POST Request Handler. This flaw allows for XML external entity reference, potentially enabling attackers to exploit the vulnerability remotely. With the exploit already available publicly, organizations using affected versions must take immediate action to mitigate risks. Despite early disclosures to the vendor, no response has been received, highlighting the need for proactive security measures.

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Affected Version(s)

O2OA 9.0

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-2026-2074 - Proof of Concept

References

https://vuldb.com/?id.344640
vdb-entry
https://vuldb.com/?ctiid.344640
signaturepermissions-required
https://vuldb.com/?submit.745486
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

sourbyte (VulDB User)
JSON
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