O2OA HTTP POST Request check xml external entity reference
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | O2OA | 9.0 | — | No fix listed | CNA |
- O2OA Vendor— Affected 9.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-2074
- 2026-10-03 Alias added: GHSA-wxpc-f9fq-w9pq
References
More Zoneland O2oa vulnerabilities
- TI-2024-25148 O2OA v9.0.3 was discovered to contain a remote code execution (RCE) vulnerability via the mainOutput() function. CVSS 3.1HIGH 8.8
- TI-2022-07106 O2OA v6.4.7 was discovered to contain a remote code execution (RCE) vulnerability via /x_program_center/jaxrs/invoke. CVSS 3.1CRITICAL 9.8
- TI-2025-16815 O2OA 9.1.3 is vulnerable to Cross Site Scripting (XSS) in Meetings - Settings. CVSS 3.1MEDIUM 6.1
- TI-2024-03442 Zhejiang Land Zongheng Network Technology O2OA information disclosure CVSS 3.1MEDIUM 5.9
- TI-2024-23490 An arbitrary file upload vulnerability in O2OA v8.3.8 allows attackers to execute… CVSS 3.1MEDIUM 5.4
- TI-2025-08927 O2OA Personal Profile importmodel cross site scripting CVSS 4.0MEDIUM 5.1
Sources
- CVE-2026-2074 · CVE Program
- CVE-2026-2074 · NVD
- FIRST EPSS
- GHSA-wxpc-f9fq-w9pq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences