CVE-2026-2074
O2OA HTTP POST Request check xml external entity reference
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 5.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
07 Feb 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
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
Affected products
n/a · O2OAWant to know if your infrastructure is exposed to this?
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