CVE-2026-5205 | chatwoot up to 4.11.2 Webhook API lib/webhooks/trigger.rb Webhooks::Trigger url server-side request forgery

VDB-354333 · CVE-2026-5205 · GCVE-100-354333 CHATWOOT UP TO 4.11.2 WEBHOOK API LIB/WEBHOOKS/TRIGGER.RB WEBHOOKS::TRIGGER URL SERVER-SIDE REQUEST FORGERY HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability was found in chatwoot up to 4.11.2. It has been rated as critical. Affected by this issue is the function Webhooks::Trigger in the library lib/webhooks/trigger.rb of the component Webhook API. Performing a manipulation of the argument url results in server-side request forgery. This vulnerability was named CVE-2026-5205. The attack may be initiated remotely. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability, which was classified as critical, was found in chatwoot up to 4.11.2. This affects the function Webhooks::Trigger in the library lib/webhooks/trigger.rb of the component Webhook API. The manipulation of the argument url with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability. This vulnerability is uniquely identified as CVE-2026-5205. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Chat Software Name chatwoot Version 4.11.0 4.11.1 4.11.2 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.3 VulDB Meta Temp Score: 5.7 VulDB Base Score: 6.3 VulDB Temp Score: 5.7 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: Server-side request forgery CWE: CWE-918 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept 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: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/31/2026 Advisory disclosed 03/31/2026 +0 days VulDB entry created 03/31/2026 +0 days VulDB entry last update Sourcesinfo Status: Not defined CVE: CVE-2026-5205 (🔒) GCVE (CVE): GCVE-0-2026-5205 GCVE (VulDB): GCVE-100-354333 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 03/31/2026 10:53 Changes: 03/31/2026 10:53 (56) Complete: 🔍 Submitter: Ghufran Khan Cache ID: 99:982:101 Submitinfo Accepted Submit #780305: Chatwoot 4.11.2 Server-Side Request Forgery (by Ghufran Khan) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸