01 Record
CVE-2026-63132
OpenBao's Recovery Mode Vulnerable To Token Leakage via Timing Attack
CriticalPUBLISHEDCNA: GitHub_M
CNA base score9.2 CVSS v4.0CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
02 Description
OpenBao's Recovery Mode Vulnerable To Token Leakage via Timing Attack
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
- 0.62% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 49.8% of scored records. A rank, not a probability.
- NVD base score
- 9.2 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Deferred. NVD last modified this record on 2026-09-29.
- 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
- 2026-09-23 17:59Z1 MO AGO
- Last updated
- 2026-09-23 19:16Z1 MO AGO
- Reserved
- 2026-07-15
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.2)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-208Observable Timing DiscrepancyBase
- Data version
- 5.2
- Document digest
- da9fab9b98d4824ad946edbe9cd0f154ea99f10ed438528fc9b78f43bcc79032
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/openbao/openbao/security/advisories/GHSA-34fc-gh42-pj53
- github.comhttps://github.com/openbao/openbao/pull/3388
- github.comhttps://github.com/openbao/openbao/pull/3472
- github.comhttps://github.com/openbao/openbao/commit/0f2d90c331f25d1c6cd108638da03f4c7bd949a8
- github.comhttps://github.com/openbao/openbao/commit/763625a2072103ea9e9122f2a8408e0b988d287a
- github.comhttps://github.com/hashicorp/vault/blob/main/CHANGELOG.md#203
- github.comhttps://github.com/openbao/openbao/releases/tag/v2.6.0