{"id":"CVE-2026-21002","aliases":["EUVD-2026-12321","GHSA-52q6-xhg6-rw2j"],"status":"published","title":"Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows...","description":"Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows local attacker to install arbitrary application.","severity":{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00079,"percentile":0.00145,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-347"],"published":"2026-03-16T04:32:11Z","modified":"2026-06-17T10:18:12Z","exploits":[{"source":"pocgithub","id":"George0Papasotiriou/CVE-2026-21002-Serverless-Cold-Start-Credential-Leakage-via-Reused-tmp","title":"George0Papasotiriou/CVE-2026-21002-Serverless-Cold-Start-Credential-Leakage-via-Reused-tmp","date":"2026-08-04","url":"https://github.com/George0Papasotiriou/CVE-2026-21002-Serverless-Cold-Start-Credential-Leakage-via-Reused-tmp"}],"products":[{"vendor":"samsung","product":"galaxy_store"},{"vendor":"samsung mobile","product":"galaxy store"}],"references":[{"url":"https://security.samsungmobile.com/serviceWeb.smsb?year=2026\u0026month=03","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21002"},{"url":"https://github.com/advisories/GHSA-52q6-xhg6-rw2j"}],"sources":{"cve":[{"id":"CVE-2026-21002","description":"Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows local attacker to install arbitrary application.","status":"published","published":"2026-03-16T04:32:11.128Z","modified":"2026-03-16T13:59:29.066Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-12321","description":"Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows local attacker to install arbitrary application.","status":"published","published":"2026-03-16T04:32:11Z","modified":"2026-03-16T13:59:29Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:25:34.563327Z"}],"ghsa":[{"id":"GHSA-52q6-xhg6-rw2j","title":"Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows...","description":"Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows local attacker to install arbitrary application.","status":"published","published":"2026-03-16T15:30:42Z","modified":"2026-04-07T03:30:24Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/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","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:07:11.075264Z"}],"nvd":[{"id":"CVE-2026-21002","description":"Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows local attacker to install arbitrary application.","status":"published","published":"2026-03-16T14:18:11.367Z","modified":"2026-06-17T10:18:12.127Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/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","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:12:09.358914Z"}]}}