OpenBao before 2.6.3 Open Redirect via OIDC Identity Provider UI

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.

OpenBao before 2.6.3 contains an open redirect vulnerability in the UI's OIDC identity provider that affects users not authenticated to OpenBao. Attackers can craft OIDC links that redirect unauthenticated users to attacker-controlled destinations, enabling phishing or credential theft.

Source published

22 Oct 2026 19:13:35 UTC

Source modified

23 Oct 2026 21:07:08 UTC

Observed here

23 Oct 2026 22:48:20 UTC

Source terms

CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

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

CVSS 3.1 · 4.7 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N