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CVE-2026-115358

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

LOW
2
CVSS Score
Published: October 22, 2026 at 07:13 PM UTC
Updated: October 29, 2026 at 04:18 AM UTC
1 product affected across 1 vendorOpenbao

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Severity
LOW2
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Openbao· Openbao
90%
2.7.0
Vendor states this is fixed in 2.6.3 (unaffected)
Vendor states this is fixed in 2.7.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: cverecord
https://github.com/openbao/openbao/security/advisories/GHSA-8xxq-mq9m-xmhw
Third Party Advisory
Source: cverecord
https://www.vulncheck.com/advisories/openbao-before-2.6.3-sensitive-data-leak-in-audit-log-via-malformed-parameters

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2LOWVulnCheck
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-532

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