CVE-2026-115363CWE-212

CVE-2026-115363

Low · published October 22, 2026

CVSS v3.1
3.3
EPSS
0%
Percentile
2.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.3 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
2.1 · CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00125 · 2.0th percentile
Weakness
CWE-212 · Improper Removal of Sensitive Information Before Storage or Transfer
Published
2026-10-22T23:17Z
References (2)
https://github.com/openbao/openbao/security/advisories/GHSA-3237-j65r-m5rp · [email protected]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 · [email protected]
EPSS history
Timeline
  • 24 OCT 03:52Z
    EPSS moved — → 0%
    epss
  • 22 OCT 19:13Z
    OpenBao 2.2.0 before 2.6.4 and 2.7.0 before 2.7.1 ACME EAB MAC Key Disclosure via Sanitized Configuration
    cvelistv5
  • 22 OCT 19:13Z
    OpenBao 2.2.0 before 2.6.4 and 2.7.0 before 2.7.1 ACME EAB MAC Key Disclosure via Sanitized Configuration
    cvelistv5