{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-19033 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2026-19033 is a medium-severity missing authorization vulnerability in ISC BIND 9, published on 16 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-2026-19033 and fix it if it is affected.\n\nWhat it is: CVE-2026-19033 is a medium-severity missing authorization vulnerability in ISC BIND 9, published on 16 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-2026-19033 in the wild and no public exploit code.\n\nAffected product: ISC BIND 9. 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-2026-19033/ (Markdown: https://insights.sbomify.com/CVE-2026-19033/index.md)","id":"CVE-2026-19033","markdown":"https://insights.sbomify.com/CVE-2026-19033/index.md","name":"CVE-2026-19033","record":{"aliases":["ALPINE-CVE-2026-19033","AZL-103119","BELL-CVE-2026-19033","DEBIAN-CVE-2026-19033","ECHO-65a7-407e-b7bc","GHSA-r7m2-338w-h24g","MINI-766w-m98m-h655","MINI-9384-cj2g-c4mq","MINI-9m6m-4j6p-853q","UBUNTU-CVE-2026-19033"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["data_modify","security_bypass"],"network_reachable":"yes","non_default_config":true,"product_category":"BIND DNS server","requires_auth":"none","summary":"Attackers can inject unauthorized zone data into secondary DNS servers by exploiting a race condition in TSIG verification during IXFR transfers.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"isc","cpe":[],"cvss":{"score":6.5,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L","version":"3.1"},"cwes":[{"id":"CWE-349","name":"Acceptance of Extraneous Untrusted Data With Trusted Data"}],"description":"For a secondary zone with transfers restricted by TSIG, `named` may start to serve the data provided in a zone transfer before the final message with the TSIG signature arrives. This could allow an attacker that does not actually possess a valid TSIG signature to send unauthorized zone contents to a secondary server. Although no TSIG signature ever arrives, `named` does not rollback to the pre-transfer state. To exploit the vulnerability, the transfer must be a multi-message TCP IXFR, as described by RFC 8945.\nThis issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.","ecosystems":[],"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":"Unauthenticated IXFR deltas are applied to the live zone before TSIG verification","id":"CVE-2026-19033","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"missing_authorization","year":"2026"},"n_packages":0,"n_references":3,"next":{"headline":"Shibby Tomato qoslimittc_stop.sh new_qoslimit_stop os command injection","id":"CVE-2026-19034"},"packages":[],"prev":{"headline":"jackson-databind resolves attacker-controlled URI schemes when deserializing java.nio.file.Path","id":"CVE-2026-19032"},"products":["BIND 9"],"published":"2026-09-16","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":"2026-09-17","vendors":["ISC"]},"summary":"Attackers can inject unauthorized zone data into secondary DNS servers by exploiting a race condition in TSIG verification during IXFR transfers.","url":"https://insights.sbomify.com/CVE-2026-19033/"}