{"answers":{"affected":"It affects 2 products.","exploited":"There is no known exploitation of CVE-2026-76439 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-76439 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-76439 is a medium-severity missing authorization vulnerability in Cisco Identity Services Engine, 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-2026-76439 and fix it if it is affected.\n\nWhat it is: CVE-2026-76439 is a medium-severity missing authorization vulnerability in Cisco Identity Services Engine, 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-2026-76439 in the wild and no public exploit code.\n\nAffected product: Cisco Identity Services Engine. 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-2026-76439/ (Markdown: https://insights.sbomify.com/CVE-2026-76439/index.md)","id":"CVE-2026-76439","markdown":"https://insights.sbomify.com/CVE-2026-76439/index.md","name":"CVE-2026-76439","record":{"aliases":["GHSA-ppcr-3wc7-2p22"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["data_modify"],"network_reachable":"yes","non_default_config":false,"product_category":"Cisco Identity Services Engine","requires_auth":"none","summary":"Unauthenticated attackers can manipulate endpoint posture status by exploiting insufficient authentication on the guest portal interface.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"cisco","cpe":[{"product":"identity_services_engine","vendor":"cisco"},{"product":"identity_services_engine_passive_identity_connector","vendor":"cisco"}],"cvss":{"score":5.3,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"cwes":[{"id":"CWE-306","name":"Missing Authentication for Critical Functionality"}],"description":"A vulnerability in the endpoint posture status reporting functionality of the guest portal web application of Cisco ISE could allow an unauthenticated, remote attacker to submit forged posture status events into the endpoint posture pipeline.\r\n\r\nThis vulnerability is due to insufficient authentication on an internal interface that is exposed through the guest portal. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to manipulate the posture status on the affected system.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Cisco Identity Services Engine Event Injection Vulnerability","id":"CVE-2026-76439","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"cisco:identity_services_engine","products":["cisco:identity_services_engine"],"type":"missing_authorization","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"Cisco Secure Email Gateway Security Hardening Release","id":"CVE-2026-76440"},"packages":[],"prev":{"headline":"Cisco BroadWorks CommPilot Application Software Authorization Bypass Vulnerability","id":"CVE-2026-76438"},"products":["Cisco ISE Passive Identity Connector","Cisco Identity Services Engine Software"],"published":"2026-09-16","related":[{"cvss_score":10,"headline":"Cisco Identity Services Engine Incorrect Use of Privileged APIs","id":"CVE-2026-76460","kev_date_added":"2026-09-16","published":"2026-09-16"},{"cvss_score":10,"headline":"Cisco Identity Services Engine Injection","id":"CVE-2025-20337","kev_date_added":"2025-07-28","published":"2025-07-16"},{"cvss_score":10,"headline":"Cisco Identity Services Engine Injection","id":"CVE-2025-20281","kev_date_added":"2025-07-28","published":"2025-06-25"},{"cvss_score":10,"headline":"Cisco Identity Services Engine Hardening Release - Improper Neutralization Vulnerabilities","id":"CVE-2026-20130","kev_date_added":null,"published":"2026-09-16"},{"cvss_score":10,"headline":"Cisco Identity Services Engine Hardening Release - Access Control Vulnerabilities","id":"CVE-2026-20192","kev_date_added":null,"published":"2026-09-16"},{"cvss_score":10,"headline":"Cisco ISE API Unauthenticated Remote Code Execution Vulnerability","id":"CVE-2025-20282","kev_date_added":null,"published":"2025-06-25"},{"cvss_score":10,"headline":"Hardcoded credentials in n/a","id":"CVE-2011-3290","kev_date_added":null,"published":"2011-09-21"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"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":"2026-09-18","vendors":["Cisco"]},"summary":"Unauthenticated attackers can manipulate endpoint posture status by exploiting insufficient authentication on the guest portal interface.","url":"https://insights.sbomify.com/CVE-2026-76439/"}