{"id":"GHSA-c827-j3xf-67v6","kind":"vulnerability","aliases":["GHSA-c827-j3xf-67v6"],"related":[],"title":"Duplicate Advisory: Microsoft Security Advisory CVE-2026-114156 - ASP.NET Core Security Feature Bypass Vulnerability","description":"## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-8w29-6cjc-h6w4. This link is maintained to preserve external references.\n\n## Original Description\nImproper input validation in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network.","summary":"This advisory is withdrawn as a duplicate of GHSA-8w29-6cjc-h6w4. The original text says improper input validation in ASP.NET Core lets an unauthenticated attacker bypass a security feature over the network.","severity":"medium","cvss":6.5,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Microsoft.AspNetCore.App.Runtime.linux-arm","fixed":[],"affected":">= 11.0.0-preview.7.26381.103, <= 11.0.0-rc.3.26522.148","ecosystem":"nuget"}],"ecosystems":["nuget"],"tags":["aspnet-core","cwe-41","dotnet","linux-arm","package"],"not_affected_if":[],"how_to_check":"- Check whether the project references `Microsoft.AspNetCore.App.Runtime.linux-arm` at a version in the affected range (`11.0.0-preview.7.26381.103` to `11.0.0-rc.3.26522.148`)\n- See GHSA-8w29-6cjc-h6w4 for the live advisory and its details","fix":null,"status":"withdrawn","published_at":"2026-11-10T21:32:51+00:00","first_seen_at":"2026-11-10T22:17:21+00:00","triaged_at":"2026-11-10T22:18:02+00:00","updated_at":"2026-11-10T22:18:02+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-11-10T22:18:02Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"ASP.NET Core: input validation flaw lets attackers bypass a security feature","impact":"medium","summary":"This advisory is withdrawn as a duplicate of GHSA-8w29-6cjc-h6w4. The original text says improper input validation in ASP.NET Core lets an unauthenticated attacker bypass a security feature over the network.","audience":"businesses","category":"package","nicknames":[],"who_cares":["aspnet-core","dotnet","linux-arm"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"attacker bypasses an ASP.NET Core security feature over the network","analyst_note":"Withdrawn duplicate; confirm scope and fixed version from GHSA-8w29-6cjc-h6w4.","how_to_check":"- Check whether the project references `Microsoft.AspNetCore.App.Runtime.linux-arm` at a version in the affected range (`11.0.0-preview.7.26381.103` to `11.0.0-rc.3.26522.148`)\n- See GHSA-8w29-6cjc-h6w4 for the live advisory and its details","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"The sources describe an input validation flaw in ASP.NET Core that can be reached over the network, with the affected package listed as the Linux ARM runtime for versions 11.0.0-preview.7.26381.103 through 11.0.0-rc.3.26522.148. This advisory was withdrawn as a duplicate, so the sources do not say which applications are exposed beyond that. Teams should follow GHSA-8w29-6cjc-h6w4 for the actual scope.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000795,"input_tokens":4673,"output_tokens":655,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-114156':8A '-2026':7A '-41':31B '67v6':19A,24A '6cjc':48B,87C '8w29':47B,86C 'advisori':2A,5A,38B,72C,74C 'allow':105C 'arm':26A,35B 'asp.net':9A,58B,103C 'aspnet':28B 'aspnet-cor':27B 'attack':63B,108C 'bypass':13A,64B,110C 'c827':17A,22A 'core':10A,29B,59B,104C 'cve':6A 'cwe':30B 'descript':98C 'dotnet':32B 'duplic':1A,43B,71C,82C 'extern':95C 'featur':12A,67B,113C 'ghsa':16A,21A,46B,85C 'ghsa-8w29-6cjc-h6w4':45B,84C 'ghsa-c827-j3xf-67v6':15A,20A 'h6w4':49B,88C 'improp':54B,99C 'input':55B,100C 'j3xf':18A,23A 'let':60B 'link':90C 'linux':34B 'linux-arm':33B 'maintain':92C 'microsoft':3A 'microsoft.aspnetcore.app.runtime.linux':25A 'network':70B,116C 'origin':51B,97C 'packag':36B 'preserv':94C 'refer':96C 'say':53B 'secur':4A,11A,66B,112C 'text':52B 'unauthent':62B 'unauthor':107C 'valid':56B,101C 'vulner':14A 'withdrawn':40B,77C","nicknames":[],"mitigations":[],"who_affected":"The sources describe an input validation flaw in ASP.NET Core that can be reached over the network, with the affected package listed as the Linux ARM runtime for versions 11.0.0-preview.7.26381.103 through 11.0.0-rc.3.26522.148. This advisory was withdrawn as a duplicate, so the sources do not say which applications are exposed beyond that. Teams should follow GHSA-8w29-6cjc-h6w4 for the actual scope.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["microsoftaspnetcoreappruntimelinuxarm"],"ptokens":["app","arm","aspnetcore","linux","microsoft","runtime"],"labels":["aspnetcore","cwe41","dotnet","linuxarm","medium","nuget","package"],"campaign_type":null,"search_a":"'-114156':8A '-2026':7A '67v6':19A,24A 'advisori':2A,5A 'arm':26A 'asp.net':9A 'bypass':13A 'c827':17A,22A 'core':10A 'cve':6A 'duplic':1A 'featur':12A 'ghsa':16A,21A 'ghsa-c827-j3xf-67v6':15A,20A 'j3xf':18A,23A 'microsoft':3A 'microsoft.aspnetcore.app.runtime.linux':25A 'secur':4A,11A 'vulner':14A","search_b":"'-41':31B '6cjc':48B '8w29':47B 'advisori':38B 'arm':35B 'asp.net':58B 'aspnet':28B 'aspnet-cor':27B 'attack':63B 'bypass':64B 'core':29B,59B 'cwe':30B 'dotnet':32B 'duplic':43B 'featur':67B 'ghsa':46B 'ghsa-8w29-6cjc-h6w4':45B 'h6w4':49B 'improp':54B 'input':55B 'let':60B 'linux':34B 'linux-arm':33B 'network':70B 'origin':51B 'packag':36B 'say':53B 'secur':66B 'text':52B 'unauthent':62B 'valid':56B 'withdrawn':40B","search_c":"'6cjc':87C '8w29':86C 'advisori':72C,74C 'allow':105C 'asp.net':103C 'attack':108C 'bypass':110C 'core':104C 'descript':98C 'duplic':71C,82C 'extern':95C 'featur':113C 'ghsa':85C 'ghsa-8w29-6cjc-h6w4':84C 'h6w4':88C 'improp':99C 'input':100C 'link':90C 'maintain':92C 'network':116C 'origin':97C 'preserv':94C 'refer':96C 'secur':112C 'unauthor':107C 'valid':101C 'withdrawn':77C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T21:32:51+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N","cvss_by":"GitHub","poc_count":0,"sources":[{"source":"ghsa","external_id":"GHSA-c827-j3xf-67v6","url":"https://github.com/advisories/GHSA-c827-j3xf-67v6","severity":"medium","published_at":"2026-11-10T21:32:51+00:00","modified_at":"2026-11-10T22:14:45+00:00","first_seen_at":"2026-11-10T22:17:21+00:00","fetched_at":"2026-11-10T22:17:21+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}