CVE-2026-3532 | OpenID Connect OAuth client up to 1.4.x on Drupal case sensitivity (sa-contrib-2026-027)

VDB-353760 · CVE-2026-3532 · SA-CONTRIB-2026-027 OPENID CONNECT OAUTH CLIENT UP TO 1.4.X ON DRUPAL CASE SENSITIVITY HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.0 $0-$5k 0.74+ Summaryinfo A vulnerability categorized as critical has been discovered in OpenID Connect OAuth client up to 1.4.x on Drupal. Affected by this vulnerability is an unknown functionality. The manipulation results in case sensitivity. This vulnerability is known as CVE-2026-3532. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component. Detailsinfo A vulnerability was found in OpenID Connect OAuth client up to 1.4.x on Drupal. It has been classified as critical. Affected is an unknown functionality. The manipulation with an unknown input leads to a case sensitivity vulnerability. CWE is classifying the issue as CWE-178. The product does not properly account for differences in case sensitivity when accessing or determining the properties of a resource, leading to inconsistent results. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes: Improper Handling of Case Sensitivity vulnerability in Drupal OpenID Connect / OAuth client allows Privilege Escalation.This issue affects OpenID Connect / OAuth client: from 0.0.0 before 1.5.0. The weakness was published by Eric Smith as sa-contrib-2026-027. The advisory is shared for download at drupal.org. This vulnerability is traded as CVE-2026-3532 since 03/04/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available. Upgrading to version 1.5.0 eliminates this vulnerability. Productinfo Name OpenID Connect OAuth client Version 1.0 1.1 1.2 1.3 1.4 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.3 VulDB Meta Temp Score: 6.0 VulDB Base Score: 6.3 VulDB Temp Score: 6.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Case sensitivity CWE: CWE-178 / CWE-697 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: OpenID Connect OAuth client 1.5.0 Timelineinfo 03/04/2026 CVE reserved 03/26/2026 +22 days Advisory disclosed 03/26/2026 +0 days VulDB entry created 03/26/2026 +0 days VulDB entry last update Sourcesinfo Advisory: sa-contrib-2026-027 Researcher: Eric Smith Status: Confirmed CVE: CVE-2026-3532 (🔒) GCVE (CVE): GCVE-0-2026-3532 GCVE (VulDB): GCVE-100-353760 Entryinfo Created: 03/26/2026 23:13 Changes: 03/26/2026 23:13 (55) Complete: 🔍 Cache ID: 99:E4F:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸