CVE-2026-115369
Low
Description
OpenBao from 2.5.0 before 2.6.2 fails to enforce the PKI role allowed_ip_sans_cidr restriction on IP SANs taken from a CSR when use_csr_sans is enabled. Authenticated callers with sign permission can submit a CSR with an out-of-range IP SAN to pki/sign/<role> and obtain CA-signed certificates for unauthorized IPs.
SeverityLow
CVSS2.2
Exploit probability—
ProductOpenbao
PublishedOct 22, 2026
First seenOct 22, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- openbao openbao2.6.2 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openbao openbao | 2.5.0 ≤ v < 2.6.2 | 2.6.2 |
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