01 Record
CVE-2026-33757
OpenBao lacks user confirmation for OIDC direct callback mode
CriticalPUBLISHEDCNA: GitHub_M
CNA base score9.6 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
02 Description
OpenBao lacks user confirmation for OIDC direct callback mode
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.41% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 35.8% of scored records. A rank, not a probability.
- NVD base score
- 8.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
- NVD analysis status
- Modified. NVD last modified this record on 2026-07-15.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-03-27 14:10Z7 MO AGO
- Last updated
- 2026-07-15 01:06Z3 MO AGO
- Reserved
- 2026-03-23
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.6)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
- Weaknesses
- CWE-384Session FixationCompound
- Data version
- 5.2
- Document digest
- c93c2719f0496532dfef4592e1883555d2553f3cdfd15aa710e88c5b5f11abff
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/openbao/openbao/security/advisories/GHSA-7q7g-x6vg-xpc3
- github.comhttps://github.com/openbao/openbao/commit/e32103951925723e9787e33886ab6b6ec20f4964
- datatracker.ietf.orghttps://datatracker.ietf.org/doc/html/rfc8628#section-5.4
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-33757
- bugzilla.redhat.comRHBZ#2452269https://bugzilla.redhat.com/show_bug.cgi?id=2452269
- security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33757.json