Casdoor Proxy Validation cas.go CasP3ProxyValidate server-side request forgery

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

A security vulnerability has been detected in Casdoor up to 3.164.0/4.10.0. Affected is the function CasP3ProxyValidate of the file controllers/cas.go of the component Proxy Validation. Such manipulation of the argument pgtUrl leads to server-side request forgery. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. Upgrading to version 4.11.0 is able to address this issue. The name of the patch is 03c6c9aaa2eda5b085ce128ce0d60b34094efbd9/ada08ecd10cbf158f593dee23a8bab63efecf995. It is advisable to upgrade the affected component.

Source published

11 Oct 2026 11:00:16 UTC

Source modified

13 Oct 2026 20:00:44 UTC

Observed here

23 Oct 2026 15:48:27 UTC

Source terms

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CVSS 4.0 · 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

CVSS 3.1 · 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

CVSS 3.0 · 4.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

CVSS 2.0 · 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C