Open Redirect Vulnerability in OpenBao's OIDC Identity Provider
CVE-2026-115360

5.3MEDIUM

Key Information:

Vendor

Openbao

Status
Openbao
Vendor
CVE Published:
22 October 2026

What is CVE-2026-115360?

An open redirect vulnerability exists in OpenBao prior to version 2.6.3 that affects unauthenticated user interactions with the UI's OIDC identity provider. By crafting malicious OIDC links, attackers can redirect these unauthenticated users to dubious sites under their control. This poses significant risks of phishing attacks and potential credential theft, compromising user security.

Affected Version(s)

openbao 0 < 2.6.3

openbao 2.6.3

References

https://github.com/openbao/openbao/security/advisories/GH...
vendor-advisory
https://www.vulncheck.com/advisories/openbao-before-2.6.3...
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

gianklug
SeifElsallamy
cipherboy
.