{"id":"CVE-2026-104383","kind":"vulnerability","aliases":["CVE-2026-104383"],"related":[],"title":"EagleCloud Aquila Pigeon MFA service: code injection lets authenticated attackers run code","description":"Improper Control of Generation of Code in Pigeon MFA service in EagleCloud Aquila versions through 2.6.7.2 on on-premises platforms allows authenticated remote attackers to execute arbitrary code via code injection","summary":"Pigeon MFA service in EagleCloud Aquila through 2.6.7.2 on on-premises installs has an improper code generation flaw (CWE-94 style code injection). An authenticated remote attacker can inject input that is executed as code on the server.","severity":"critical","cvss":9.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["aquila","eaglecloud","mfa","on-premises","other"],"not_affected_if":["cloud-hosted"],"how_to_check":"- Check the installed Aquila version against `2.6.7.2`; the sources say versions through 2.6.7.2 are affected\n- Confirm whether the Pigeon MFA service is deployed in your Aquila on-premises installation\n- unknown for other exact check commands or files","fix":"- Upgrade Aquila to a version later than `2.6.7.2` once the vendor publishes a fixed release (fixed version not stated in the sources)\n- Until patched, restrict access to the Pigeon MFA service to trusted users\n- unknown for vendor advisory or patch details","status":"open","published_at":"2026-10-28T05:16:59+00:00","first_seen_at":"2026-10-28T05:31:15+00:00","triaged_at":"2026-10-28T05:32:19+00:00","updated_at":"2026-10-28T05:32:19+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-28T05:32:19Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade Aquila to a version later than `2.6.7.2` once the vendor publishes a fixed release (fixed version not stated in the sources)\n- Until patched, restrict access to the Pigeon MFA service to trusted users\n- unknown for vendor advisory or patch details","reach":"internet","title":"EagleCloud Aquila Pigeon MFA service: code injection lets authenticated attackers run code","impact":"high","summary":"Pigeon MFA service in EagleCloud Aquila through 2.6.7.2 on on-premises installs has an improper code generation flaw (CWE-94 style code injection). An authenticated remote attacker can inject input that is executed as code on the server.","category":"other","nicknames":[],"who_cares":["aquila","eaglecloud","on-premises","mfa"],"confidence":0.6,"needs_auth":"yes","worst_case":"Authenticated attacker runs arbitrary code on the Aquila server","analyst_note":"Find the vendor advisory or the fixed Aquila version and the exact deployment conditions; the NVD entry alone gives no patch or check details.","how_to_check":"- Check the installed Aquila version against `2.6.7.2`; the sources say versions through 2.6.7.2 are affected\n- Confirm whether the Pigeon MFA service is deployed in your Aquila on-premises installation\n- unknown for other exact check commands or files","needs_analyst":true,"not_affected_if":["cloud-hosted"],"who_is_affected":"On-premises deployments of EagleCloud Aquila through version 2.6.7.2 that run the Pigeon MFA service are affected. Cloud-hosted or non-Aquila deployments are not described as affected by the sources, and the sources do not say which configurations beyond on-premises are exposed.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000658,"input_tokens":3304,"output_tokens":656,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-104383':15A,18A '-2026':14A,17A '-94':45B '2.6.7.2':32B,79C 'allow':85C 'aquila':2A,19B,30B,76C 'arbitrari':91C 'attack':10A,52B,88C 'authent':9A,50B,86C 'code':6A,12A,41B,47B,60B,69C,92C,94C 'control':65C 'cve':13A,16A 'cwe':44B 'eaglecloud':1A,20B,29B,75C 'execut':58B,90C 'flaw':43B 'generat':42B,67C 'improp':40B,64C 'inject':7A,48B,54B,95C 'input':55B 'instal':37B 'let':8A 'mfa':4A,21B,26B,72C 'on-premis':22B,34B,81C 'pigeon':3A,25B,71C 'platform':84C 'premis':24B,36B,83C 'remot':51B,87C 'run':11A 'server':63B 'servic':5A,27B,73C 'style':46B 'version':77C 'via':93C","nicknames":[],"mitigations":[],"who_affected":"On-premises deployments of EagleCloud Aquila through version 2.6.7.2 that run the Pigeon MFA service are affected. Cloud-hosted or non-Aquila deployments are not described as affected by the sources, and the sources do not say which configurations beyond on-premises are exposed.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-28T05:16:59+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"mandiant-cve@google.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-104383","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104383","severity":null,"published_at":"2026-10-28T05:16:59+00:00","modified_at":"2026-10-28T05:16:59+00:00","first_seen_at":"2026-10-28T05:31:15+00:00","fetched_at":"2026-10-28T05:31:15+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}