{"answers":{"affected":"2 open source packages ship an affected version, including nginx and nginx-gateway.","exploited":"There is no known exploitation of CVE-2026-90439 in the wild and no public exploit code.","fix":"Upgrade nginx to a fixed version for your release line: 1.30.0, 1.30.5 or 1.31.6.","what":"CVE-2026-90439 is a medium-severity memory corruption vulnerability in F5 NGINX Open Source, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-90439 and fix it if it is affected.\n\nWhat it is: CVE-2026-90439 is a medium-severity memory corruption vulnerability in F5 NGINX Open Source, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-90439 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- nginx (Bitnami): affected from 1.29.2; fixed in 1.30.0, 1.30.5, 1.31.6\n- nginx-gateway (Bitnami): affected from 1.29.2; fixed in 1.30.0, 1.30.5, 1.31.6\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-2026-90439/ (Markdown: https://insights.sbomify.com/CVE-2026-90439/index.md)","id":"CVE-2026-90439","markdown":"https://insights.sbomify.com/CVE-2026-90439/index.md","name":"CVE-2026-90439","record":{"aliases":["ALPINE-CVE-2026-90439","BELL-CVE-2026-90439","BIT-nginx-2026-90439","BIT-nginx-gateway-2026-90439","DEBIAN-CVE-2026-90439","GHSA-fjgw-pmcm-g7j7","MGASA-2026-0499","MINI-2j2q-8x3w-wmfq","MINI-r9cp-4jww-9w57","MINI-v8vw-fgfj-rchc","RHSA-2026:67977","openSUSE-SU-2026:11807-1"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["denial_of_service","data_read"],"network_reachable":"yes","non_default_config":true,"product_category":"NGINX web server","requires_auth":"none","summary":"Remote attackers can cause denial of service or limited data corruption in NGINX via heap buffer overflow during TLS handshakes.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"f5","cpe":[],"cvss":{"score":6.9,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-122","name":"Heap-based Buffer Overflow"}],"description":"NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_v3_module module. When using HTTP/3 with OpenSSL versions \u003c= OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner that is beyond the attacker's control. This may cause a heap buffer overflow in the NGINX worker process leading to a restart and/or limited data corruption.\n\nImpact:\nThis vulnerability may allow remote attackers to cause a denial-of-service (DoS) on the NGINX system or limited data corruption. There is no control plane exposure; this is a data plane issue only.\n\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","ecosystems":["Bitnami","Red Hat:hummingbird:1","openSUSE:Tumbleweed"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"NGINX ngx_http_v3_module vulnerability","id":"CVE-2026-90439","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Bitnami","product":null,"products":[],"type":"memory_corruption","year":"2026"},"n_packages":15,"n_references":1,"next":{"headline":"Denial of service in Apache Thrift","id":"CVE-2026-90440"},"packages":[{"ecosystem":"Bitnami","fixed":["1.30.0","1.30.5","1.31.6"],"introduced":["1.29.2","1.30.4","1.31.0"],"last_affected":[],"package":"nginx","purl":"pkg:bitnami/nginx","source":"BIT-nginx-2026-90439"},{"ecosystem":"Bitnami","fixed":["1.30.0","1.30.5","1.31.6"],"introduced":["1.29.2","1.30.4","1.31.0"],"last_affected":[],"package":"nginx-gateway","purl":"pkg:bitnami/nginx-gateway","source":"BIT-nginx-gateway-2026-90439"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.30.5-4.hum1"],"introduced":["0"],"last_affected":[],"package":"nginx","purl":"pkg:rpm/redhat/nginx","source":"RHSA-2026:67977"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.30.5-4.hum1"],"introduced":["0"],"last_affected":[],"package":"nginx-all-modules","purl":"pkg:rpm/redhat/nginx-all-modules","source":"RHSA-2026:67977"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.30.5-4.hum1"],"introduced":["0"],"last_affected":[],"package":"nginx-core","purl":"pkg:rpm/redhat/nginx-core","source":"RHSA-2026:67977"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.30.5-4.hum1"],"introduced":["0"],"last_affected":[],"package":"nginx-filesystem","purl":"pkg:rpm/redhat/nginx-filesystem","source":"RHSA-2026:67977"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.30.5-4.hum1"],"introduced":["0"],"last_affected":[],"package":"nginx-mod-devel","purl":"pkg:rpm/redhat/nginx-mod-devel","source":"RHSA-2026:67977"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.30.5-4.hum1"],"introduced":["0"],"last_affected":[],"package":"nginx-mod-http-geoip","purl":"pkg:rpm/redhat/nginx-mod-http-geoip","source":"RHSA-2026:67977"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.30.5-4.hum1"],"introduced":["0"],"last_affected":[],"package":"nginx-mod-http-image-filter","purl":"pkg:rpm/redhat/nginx-mod-http-image-filter","source":"RHSA-2026:67977"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.30.5-4.hum1"],"introduced":["0"],"last_affected":[],"package":"nginx-mod-http-perl","purl":"pkg:rpm/redhat/nginx-mod-http-perl","source":"RHSA-2026:67977"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.30.5-4.hum1"],"introduced":["0"],"last_affected":[],"package":"nginx-mod-http-xslt-filter","purl":"pkg:rpm/redhat/nginx-mod-http-xslt-filter","source":"RHSA-2026:67977"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.30.5-4.hum1"],"introduced":["0"],"last_affected":[],"package":"nginx-mod-mail","purl":"pkg:rpm/redhat/nginx-mod-mail","source":"RHSA-2026:67977"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.30.5-4.hum1"],"introduced":["0"],"last_affected":[],"package":"nginx-mod-stream","purl":"pkg:rpm/redhat/nginx-mod-stream","source":"RHSA-2026:67977"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.30.5-4.hum1"],"introduced":["0"],"last_affected":[],"package":"nginx-mod-stream-geoip","purl":"pkg:rpm/redhat/nginx-mod-stream-geoip","source":"RHSA-2026:67977"},{"ecosystem":"openSUSE:Tumbleweed","fixed":["1.31.6-1.1"],"introduced":["0"],"last_affected":[],"package":"nginx","purl":"pkg:rpm/opensuse/nginx\u0026distro=openSUSE%20Tumbleweed","source":"openSUSE-SU-2026:11807-1"}],"prev":{"headline":"Ninja Forms \u003c= 3.15.4 - Unauthenticated Stored Cross-Site Scripting via Paragraph Text (RTE) Field Submission","id":"CVE-2026-90438"},"products":["NGINX Open Source","NGINX Plus"],"published":"2026-09-15","related":[],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"Bitnami","prefix":"BIT"},{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"Red Hat","prefix":"RHSA"},{"class":"attribution","licence":"CC BY 4.0","name":"SUSE","prefix":"openSUSE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-16","vendors":["F5"]},"summary":"Remote attackers can cause denial of service or limited data corruption in NGINX via heap buffer overflow during TLS handshakes.","url":"https://insights.sbomify.com/CVE-2026-90439/"}