CVE-2026-115363

EUVD-2026-108288
OpenBao 2.2.0 before 2.6.4 and 2.7.0 before 2.7.1 contains an information disclosure vulnerability that exposes the tls_acme_eab_mac_key value through the sys/config/state/sanitized endpoint. Callers of the sanitized configuration endpoint can retrieve the ACME External Account Binding MAC key used for TLS listener certificates, letting them bind to the operator's ACME account.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
3.3 LOW
NETWORK
HIGH
HIGH
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 2.04%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
openbaoopenbao
2.2.0 ≤
𝑥
< 2.6.4
CNA
openbaoopenbao
2.7.0 ≤
𝑥
< 2.7.1
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://github.com/openbao/openbao/security/advisories/GHSA-3237-j65r-m5rp
https://www.vulncheck.com/advisories/openbao-2.2.0-before-2.6.4-and-2.7.0-before-2.7.1-acme-eab-mac-key-disclosure-via-sanitized-configuration