CVE-2026-32113 | Discourse up to 2026.1.2/2026.2.1 sso_destination_url redirect

VDB-354469 · CVE-2026-32113 · GCVE-0-2026-32113 Discourse up to 2026.1.2/2026.2.1 sso_destination_url redirect History Diff relate json xml CTI CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system. Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack. CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability. 3.0 $0-$5k 1.64+ Summary info A vulnerability has been found in Discourse up to 2026.1.2/2026.2.1 and classified as problematic . Impacted is an unknown function. This manipulation of the argument sso_destination_url causes redirect. The identification of this vulnerability is CVE-2026-32113 . It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded. Details info A vulnerability has been found in Discourse up to 2026.1.2/2026.2.1 and classified as problematic. Affected by this vulnerability is an unknown part. The manipulation of the argument sso_destination_url with an unknown input leads to a redirect vulnerability. The CWE definition for the vulnerability is CWE-601 . A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. As an impact it is known to affect integrity. The summary by CVE is: Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, the enter action in StaticController reads the sso_destination_url cookie and redirects to it with allow_other_host: true without validating the destination URL. While this cookie is normally set during legitimate DiscourseConnect Provider flows with cryptographically validated SSO payloads, cookies are client-controlled and can be set by attackers. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0. The advisory is shared at github.com . This vulnerability is known as CVE-2026-32113 since 03/10/2026. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1204.001 for this issue. Upgrading to version 2026.1.3, 2026.2.2 or 2026.3.0 eliminates this vulnerability. The entries VDB-354474 , VDB-354475 , VDB-354476 and VDB-354477 are related to this item. Product info Type Chat Software Name Discourse Version 2026.1.0 2026.1.1 2026.1.2 2026.2.0 2026.2.1 License open-source Website Product: https://github.com/discourse/discourse/ CPE 2.3 info 🔒 🔒 🔒 CPE 2.2 info 🔒 🔒 🔒 CVSSv4 info VulDB Vector : 🔒 VulDB Reliability : 🔍 CNA CVSS-B Score : 🔒 CNA CVSS-BT Score : 🔒 CNA Vector : 🔒 CVSSv3 info VulDB Meta Base Score : 3.1 VulDB Meta Temp Score : 3.0 VulDB Base Score : 3.1 VulDB Temp Score : 3.0 VulDB Vector : 🔒 VulDB Reliability : 🔍 CVSSv2 info AV AC Au C I A 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 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 : 🔍 Exploiting info Class : Redirect CWE : CWE-601 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 Intelligence info Interest : 🔍 Active Actors : 🔍 Active APT Groups : 🔍 Countermeasures info Recommended : Upgrade Status : 🔍 0-Day Time : 🔒 Upgrade : Discourse 2026.1.3/2026.2.2/2026.3.0 Timeline info 03/10/2026 CVE reserved 03/31/2026 +20 days Advisory disclosed 03/31/2026 +0 days VulDB entry created 03/31/2026 +0 days VulDB entry last update Sources info Product : github.com Advisory : github.com Status : Confirmed CVE : CVE-2026-32113 ( 🔒 ) GCVE (CVE) : GCVE-0-2026-32113 GCVE (VulDB) : GCVE-100-354469 See also : 🔒 Entry info Created : 03/31/2026 08:08 PM Changes : 03/31/2026 08:08 PM (67) Complete : 🔍 Cache ID : 99:ED8:101 Discussion No comments yet. 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