CVE-2026-7158 | dmitryglhf mcp-url-downloader up to 4b8cf2de55f6e8864a77d108e8a94a5b8e4394c6 server.py _validate_url_safe url server-side request forgery

VDB-359757 · SUBMIT #802062 · CVE-2026-7158 DMITRYGLHF MCP-URL-DOWNLOADER UP TO 4B8CF2DE55F6E8864A77D108E8A94A5B8E4394C6 SERVER.PY _VALIDATE_URL_SAFE URL SERVER-SIDE REQUEST FORGERY HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability classified as critical has been found in dmitryglhf mcp-url-downloader up to 4b8cf2de55f6e8864a77d108e8a94a5b8e4394c6. This affects the function _validate_url_safe of the file src/mcp_url_downloader/server.py. Performing a manipulation of the argument url results in server-side request forgery. This vulnerability is reported as CVE-2026-7158. The attack is possible to be carried out remotely. Moreover, an exploit is present. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet. Detailsinfo A vulnerability classified as critical has been found in dmitryglhf mcp-url-downloader up to 4b8cf2de55f6e8864a77d108e8a94a5b8e4394c6. This affects the function _validate_url_safe of the file src/mcp_url_downloader/server.py. 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. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-7158. 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 project was informed of the problem early through an issue report but has not responded yet. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Artificial Intelligence Software Vendor dmitryglhf Name mcp-url-downloader Version 4b8cf2de55f6e8864a77d108e8a94a5b8e4394c6 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: Server-side request forgery CWE: CWE-918 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 04/26/2026 Advisory disclosed 04/26/2026 +0 days VulDB entry created 04/26/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-7158 (🔒) GCVE (CVE): GCVE-0-2026-7158 GCVE (VulDB): GCVE-100-359757 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/26/2026 22:17 Changes: 04/26/2026 22:17 (59) Complete: 🔍 Submitter: SmallW Cache ID: 99:C4F:101 Submitinfo Accepted Submit #802062: dmitryglhf mcp-url-downloader 0.1.0 Server-Side Request Forgery (by SmallW) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸