CVE-2026-2074
O2OA HTTP POST Request check xml external entity reference
- State
- Published
- Severity
- 5.3 Medium
- Published
- Feb 7, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 6, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 6.5 Medium | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
O2OAn/a |
|
References
- VDB-344640 | O2OA HTTP POST Request check xml external entity referencevdb-entry
- VDB-344640 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #745486 | 浙江兰德纵横网络技术股份有限公司 O2OA v6.1.0 至 v9.0.0 XML实体注入漏洞third-party-advisory
- Submit #745489 | O2OA开发平台 O2OA v6.1.0 至 v9.0.0 XML实体注入漏洞 (Duplicate)third-party-advisory
- https://github.com/SourByte05/SourByte-Lab/issues/7exploitissue-tracking
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