{"answers":{"affected":"It affects 2 products.","exploited":"There is no known exploitation of CVE-2026-88776 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-88776 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-88776 is a high-severity memory corruption vulnerability in Citrix NetScaler ADC, published on 27 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-2026-88776 and fix it if it is affected.\n\nWhat it is: CVE-2026-88776 is a high-severity memory corruption vulnerability in Citrix NetScaler ADC, published on 27 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-2026-88776 in the wild and no public exploit code.\n\nAffected product: Citrix NetScaler ADC. 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-2026-88776/ (Markdown: https://insights.sbomify.com/CVE-2026-88776/index.md)","id":"CVE-2026-88776","markdown":"https://insights.sbomify.com/CVE-2026-88776/index.md","name":"CVE-2026-88776","record":{"aliases":["GHSA-whfq-j52q-fpq7"],"analysis":{"component_type":"network_device","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Citrix NetScaler ADC","requires_auth":"none","summary":"A memory overflow in Citrix NetScaler ADC and Gateway can cause unpredictable behavior or denial of service, requiring an upgrade.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"NetScaler","cpe":[{"product":"netscaler_application_delivery_controller","vendor":"citrix"},{"product":"netscaler_gateway","vendor":"citrix"}],"cvss":{"score":8.8,"severity":"high","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer"}],"description":"Memory overflow vulnerability vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.\nThis issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23  leading to unpredictable or erroneous behavior or Denial of Service","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":"2026-10-09","github_poc":2,"max_poc_stars":2,"metasploit":0,"nuclei":0,"refs":[{"date":"2026-10-09T14:44:09Z","kind":"github_poc","ref":"https://github.com/Scyrix-LLC/CVE-2026-88776","stars":2,"title":"Write-up for CVE-2026-88776"},{"date":"2026-10-23T23:39:55Z","kind":"github_poc","ref":"https://github.com/CompleteTech-Security/netscaler-cve-2026-88776-check","stars":0,"title":"Offline NetScaler ADC / Gateway evidence checker for CVE-2026-88776. Reported firmware and configuration evidence. Standalone Python; JSON/CSV/HTML reports; no exploit payloads."}],"tier":"poc_unverified"},"has_fix":null,"headline":"Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of Service","id":"CVE-2026-88776","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"memory_corruption","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of Service","id":"CVE-2026-88777"},"packages":[],"prev":{"headline":"Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of Service","id":"CVE-2026-88775"},"products":["ADC","Gateway"],"published":"2026-09-27","related":[{"cvss_score":9.8,"headline":"Citrix NetScaler ADC and NetScaler Gateway Code Injection","id":"CVE-2023-3519","kev_date_added":"2023-07-19","published":"2023-07-19"},{"cvss_score":9.5,"headline":"Citrix NetScaler Improper Input Validation","id":"CVE-2026-88771","kev_date_added":"2026-09-27","published":"2026-09-27"},{"cvss_score":9.5,"headline":"Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer","id":"CVE-2026-88772","kev_date_added":"2026-09-27","published":"2026-09-27"},{"cvss_score":9.4,"headline":"Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow","id":"CVE-2023-4966","kev_date_added":"2023-10-18","published":"2023-10-10"},{"cvss_score":9.3,"headline":"Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel","id":"CVE-2026-19490","kev_date_added":"2026-09-09","published":"2026-08-19"},{"cvss_score":9.3,"headline":"Citrix NetScaler Out-of-Bounds Read","id":"CVE-2026-3055","kev_date_added":"2026-03-30","published":"2026-03-23"},{"cvss_score":9.3,"headline":"Citrix NetScaler ADC and Gateway Out-of-Bounds Read","id":"CVE-2025-5777","kev_date_added":"2025-07-10","published":"2025-06-17"}],"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)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-29","vendors":["Citrix NetScaler"]},"summary":"A memory overflow in Citrix NetScaler ADC and Gateway can cause unpredictable behavior or denial of service, requiring an upgrade.","url":"https://insights.sbomify.com/CVE-2026-88776/"}