{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-75511 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-75511 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-75511 is a medium-severity server-side request forgery vulnerability in @novu api-service, published on 22 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-75511 and fix it if it is affected.\n\nWhat it is: CVE-2026-75511 is a medium-severity server-side request forgery vulnerability in @novu api-service, published on 22 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-75511 in the wild and no public exploit code.\n\nAffected product: @novu api-service. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-75511/ (Markdown: https://insights.sbomify.com/CVE-2026-75511/index.md)","id":"CVE-2026-75511","markdown":"https://insights.sbomify.com/CVE-2026-75511/index.md","name":"CVE-2026-75511","record":{"aliases":["GHSA-pg9q-8v57-hqph"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["data_read","data_modify"],"network_reachable":"yes","non_default_config":false,"product_category":"Novu notification API","requires_auth":"low_privilege","summary":"An authenticated user can trigger Server-Side Request Forgery in Novu by supplying malicious chat webhook URLs, allowing access to internal network services.","user_interaction":"not_required","vuln_class":"ssrf"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":5.3,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L","version":"4.0"},"cwes":[{"id":"CWE-918","name":"Server-Side Request Forgery"}],"description":"Novu provides an API for sending notifications through multiple channels. Prior to 3.18.0, Novu accepts chat webhook URLs from subscriber credentials.webhookUrl, channel endpoint endpoint.url, event payload.webhookUrl, and event overrides.webhookUrl, then passes the selected endpoint.url through send-message-chat.usecase.ts to raw HTTP requests in the Slack, Discord, Mattermost, Microsoft Teams, Grafana On-Call, Ryver, Rocket.Chat, GetStream, and Zulip providers. An authenticated user can supply an internal or otherwise restricted destination because these paths do not apply normalizeOutboundHttpUrl, assertSafeOutboundUrl, or the DNS-pinned safeOutboundJsonRequest protection used by the generic webhook providers. The Novu worker can consequently issue attacker-directed POST requests to internal network services and cause interactions or actions supported by those services. This issue is fixed in version 3.18.0.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"Novu: Server-Side Request Forgery (SSRF) via Chat Provider Webhook URLs","id":"CVE-2026-75511","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"ssrf","year":"2026"},"n_packages":0,"n_references":4,"next":{"headline":"Marten: SQL injection in Marten's LINQ provider via unescaped string literals","id":"CVE-2026-75513"},"packages":[],"prev":{"headline":"Novu: Stored XSS in In-App Inbox via notification redirect.url javascript: scheme","id":"CVE-2026-75510"},"products":["api-service","novu"],"published":"2026-09-22","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-25","vendors":["@novu","novuhq"]},"summary":"An authenticated user can trigger Server-Side Request Forgery in Novu by supplying malicious chat webhook URLs, allowing access to internal network services.","url":"https://insights.sbomify.com/CVE-2026-75511/"}