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CVE-2026-2074

O2OA HTTP POST Request check xml external entity reference

Published: Feb 7, 2026Updated: Apr 29, 2026 Sources: CVE List NVDCWE-610
6.3MEDIUM
NVD MITRE
EPSS Score
0.3%
Top 82.0%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Workaround Only

Description

A vulnerability was identified in O2OA up to 9.0.0. This impacts an unknown function of the file /x_program_center/jaxrs/mpweixin/check of the component HTTP POST Request Handler. The manipulation leads to xml external entity reference. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-610CWE-611

Affected Products

o2oazoneland
On-prem
Enterprise Software / collaboration-groupware
O2OAn/a
zonelandcommercialEnterprise Software

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Workaround Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Collection
Initial Access
View detailed technique mapping

References

https://github.com/SourByte05/SourByte-Lab/issues/7
github.com
https://vuldb.com/?ctiid.344640
vuldb.com
https://vuldb.com/?id.344640
vuldb.com
and 2 more references View all →

Timeline

Published
Feb 7, 2026
Last Updated
Apr 29, 2026

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