CVE-2026-2074
Published: 07 February 2026
Summary
CVE-2026-2074 is a medium-severity Externally Controlled Reference to a Resource in Another Sphere (CWE-610) vulnerability in Zoneland O2Oa. Its CVSS base score is 5.3 (Medium).
Operationally, ranked at the 28.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-5749
Vulnerability details
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…
more
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing includes XML external entity payloads, detecting XXE vulnerabilities and enabling their mitigation.
Limits impact of an externally controlled reference to a primary information resource by switching to an identified alternative.
Identifies XML external entity processing via monitoring of unusual file/network access or resource usage.