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TI-2026-79447 Aliases CVE-2026-115360GHSA-x22g-c4g9-m3q8

Open redirect in OpenBao OIDC identity provider UI

Priority LOW 30CWE-601Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Spoofing
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-601.

Summary

OpenBao before 2.6.3 contains an open redirect in the UI's OIDC identity provider that affects users not authenticated to OpenBao. An attacker can craft OIDC links that send unauthenticated users to attacker-controlled destinations, which enables phishing or credential theft. Exploitation requires user interaction, such as the victim following a crafted link.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

OpenBao before 2.6.3 contains an open redirect vulnerability in the UI's OIDC identity provider that affects users not authenticated to OpenBao. Attackers can craft OIDC links that redirect unauthenticated users to attacker-controlled destinations, enabling phishing or credential theft.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00248 16th percentileScored 2026-11-07
Fix Fixed openbao (openbao): 2.6.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
openbaoopenbaobefore 2.6.32.6.3Patch availableCNA
  • openbao Vendoropenbao Affected before 2.6.3 Fixed in 2.6.3 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:openbao:openbao:*:*:*:*:*:*:*:*——openbao
  • cpe:2.3:a:openbao:openbao:*:*:*:*:*:*:*:* Versions — — ·openbao

Remediation

Upgrade OpenBao to version 2.6.3 or later, which fixes the flaw in versions before 2.6.3.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA openbao (openbao) Fixed in 2.6.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    openbao 2.6.3

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2026-79452 Incorrect authorization in OpenBao policy cache allows cross-namespace accessPriority LOW 35
    • TI-2026-79451 Missing authorization in OpenBao lets attackers stop Agent and ProxyPriority LOW 11
    • TI-2026-79448 ACL bypass in OpenBao drops templated deny rulesPriority LOW 11
    Show all 6 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-22 Threatist record created from CVE-2026-115360
  2. 2026-10-22 Alias added: GHSA-x22g-c4g9-m3q8
  3. 2026-10-24 CISA SSVC decision points changed
  4. 2026-10-26 Affected versions changed · Red Hat
  5. 2026-10-26 CVSS score added · Red Hat

References

Advisory 1

  • TI-2024-01904 Vault Cert Auth Method Did Not Correctly Validate Non-CA Certificates CVSS 3.1CRITICAL 9.8
  • TI-2026-34075 OpenBao's Inline Auth Incorrectly Redacted Headers CVSS 4.0MEDIUM 5.4
  • TI-2026-40259 OpenBao: LDAPi ldaputil (wrong escape func) CVSS 3.1MEDIUM 6.8
  • TI-2026-40265 OpenBao: Transit secrets engine crashes on key creation with `derived: true` for asymmetric key types CVSS 3.1MEDIUM 6.5
  • TI-2026-28381 OpenBao has Decompression Bomb via Unbounded Copy in OCI Plugin Extraction (DoS) CVSS 3.1MEDIUM 6.5
  • TI-2026-45068 OpenBao's Recovery Mode Vulnerable To Token Leakage via Timing Attack CVSS 4.0CRITICAL 9.2
See all 48 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences