Vulnerability · Published Oct 22, 2026 · Assigned by VulnCheck
CVE-2026-115358OpenBao before 2.6.3 Sensitive Data Leak in Audit Log via Malformed Parameters
Low 2.0
In plain English
A low-severity sensitive data in logs in openbao from openbao. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Severity (CVSS 3.1)2.0Low
Exploit odds (30 days)0.2%top 90.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
OpenBao before 2.6.3 contains an information disclosure vulnerability that allows attackers to leak sensitive data into audit logs by sending malformed plugin parameters. Attackers can submit requests with malformed TypeKVPair or TypeHeader field values, causing error messages containing sensitive input to be recorded in audit logs.
Affected products (as reported)
Weakness: CWE-532 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N
References
- GitHub Security Advisory (GHSA-8xxq-mq9m-xmhw) vendor-advisory
- VulnCheck Advisory: OpenBao before 2.6.3 Sensitive Data Leak in Audit Log via Malformed Parameters third-party-advisory