CVE-2026-115358

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

Published Oct 22, 2026 CVSS 4.0 · 2 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title OpenBao before 2.6.3 Sensitive Data Leak in Audit Log via Malformed Parameters
First Time appeared Openbao
Openbao openbao
Weaknesses CWE-532
CPEs cpe:2.3:a:openbao:openbao:*:*:*:*:*:*:*:*
Vendors & Products Openbao
Openbao openbao
References
Metrics cvssV3_1

{'score': 2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 29, 2026, 2:26 AM
Reserved
Oct 22, 2026, 11:21 AM
Status
Deferred
Published
Oct 22, 2026, 7:17 PM
Modified
Oct 29, 2026, 4:18 AM