OpenID Connect / OAuth client - Moderately critical - Access bypass - SA-CONTRIB-2026-026

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Summary

CVECVE-2026-3531
StatePUBLISHED
Assignerdrupal
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-26 21:17:09 UTC
Updated2026-04-01 16:14:15 UTC
DescriptionAuthentication Bypass Using an Alternate Path or Channel vulnerability in Drupal OpenID Connect / OAuth client allows Authentication Bypass.This issue affects OpenID Connect / OAuth client: from 0.0.0 before 1.5.0.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from ADP

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.000420000 probability, percentile 0.127100000 (date 2026-04-01)

Problem Types: CWE-288 | CWE-288 CWE-288 Authentication Bypass Using an Alternate Path or Channel

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Bojanz Openid Connect / Oauth Client All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Drupal OpenID Connect / OAuth Client affected 0.0.0 1.5.0 semver Not specified

References

ReferenceSourceLinkTags
www.drupal.org/sa-contrib-2026-026 [email protected] www.drupal.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Kimberley Massey (kimberleycgm) (en)

CNA: Kimberley Massey (kimberleycgm) (en)

CNA: Philip Frilling (pfrilling) (en)

CNA: Damien McKenna (damienmckenna) (en)

CNA: Greg Knaddison (greggles) (en)

CNA: Juraj Nemec (poker10) (en)

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