All vulnerabilities
CVE-2026-115358GHSA-8xxq-mq9m-xmhw

OpenBao before 2.6.3 Sensitive Data Leak in Audit Log via Malformed Parameters

openbao openbao
Open in ThreatlineRecord JSON
CVSS
2.0Low
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.19%Chance of exploitation activity in the next 30 days, higher than 8% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2.6.3Also 2.7.1CVE List
Published22 Oct 2026Updated 22 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 4

  • openbaoaffected: all versions before 2.6.3CVE List
  • openbaounaffected: 2.6.3CVE List
  • openbaoaffected: 2.7.0 before 2.7.1CVE List
  • openbaounaffected: 2.7.1CVE List

References 2