CVE-2026-6635 | rowboatlabs rowboat up to 0.1.67 tools_webhook app.py tool_call X-Tools-JWE improper authentication

VDB-358269 · SUBMIT #793433 · CVE-2026-6635 ROWBOATLABS ROWBOAT UP TO 0.1.67 TOOLS_WEBHOOK APP.PY TOOL_CALL X-TOOLS-JWE IMPROPER AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability identified as critical has been detected in rowboatlabs rowboat up to 0.1.67. Affected is the function tool_call of the file apps/experimental/tools_webhook/app.py of the component tools_webhook. Performing a manipulation of the argument X-Tools-JWE results in improper authentication. This vulnerability is cataloged as CVE-2026-6635. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability was found in rowboatlabs rowboat up to 0.1.67. It has been classified as critical. This affects the function tool_call of the file apps/experimental/tools_webhook/app.py of the component tools_webhook. The manipulation of the argument X-Tools-JWE with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-6635. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The exploit is shared for download at github.com. 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 Vendor rowboatlabs Name rowboat Version 0.1.0 0.1.1 0.1.2 0.1.3 0.1.4 0.1.5 0.1.6 0.1.7 0.1.8 0.1.9 0.1.10 0.1.11 0.1.12 0.1.13 0.1.14 0.1.15 0.1.16 0.1.17 0.1.18 0.1.19 0.1.20 0.1.21 0.1.22 0.1.23 0.1.24 0.1.25 0.1.26 0.1.27 0.1.28 0.1.29 0.1.30 0.1.31 0.1.32 0.1.33 0.1.34 0.1.35 0.1.36 0.1.37 0.1.38 0.1.39 0.1.40 0.1.41 0.1.42 0.1.43 0.1.44 0.1.45 0.1.46 0.1.47 0.1.48 0.1.49 0.1.50 0.1.51 0.1.52 0.1.53 0.1.54 0.1.55 0.1.56 0.1.57 0.1.58 0.1.59 0.1.60 0.1.61 0.1.62 0.1.63 0.1.64 0.1.65 0.1.66 0.1.67 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.3 VulDB Meta Temp Score: 6.6 VulDB Base Score: 7.3 VulDB Temp Score: 6.6 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: Improper authentication CWE: CWE-287 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 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 04/19/2026 Advisory disclosed 04/19/2026 +0 days VulDB entry created 04/19/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-6635 (🔒) GCVE (CVE): GCVE-0-2026-6635 GCVE (VulDB): GCVE-100-358269 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/19/2026 21:25 Changes: 04/19/2026 21:25 (58) Complete: 🔍 Submitter: davidgilmore Cache ID: 99:94D:101 Submitinfo Accepted Submit #793433: Rowboat Labs Rowboat 0.1.67 Authentication Bypass Issues (by davidgilmore) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸