{"id":"CVE-2025-15099","aliases":["EUVD-2025-205425","GHSA-2hg8-9339-xpwg"],"status":"published","title":"simstudioai sim CRON Secret internal.ts improper authentication","description":"A vulnerability was identified in simstudioai sim up to 0.5.27. This vulnerability affects unknown code of the file apps/sim/lib/auth/internal.ts of the component CRON Secret Handler. The manipulation of the argument INTERNAL_API_SECRET leads to improper authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The identifier of the patch is e359dc2946b12ed5e45a0ec9c95ecf91bd18502a. Applying a patch is the recommended action to fix this issue.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00788,"percentile":0.5647,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2025-12-26T04:02:07Z","modified":"2026-10-28T02:30:37Z","products":[{"vendor":"sim","product":"sim"},{"vendor":"simstudioai","product":"sim"}],"references":[{"url":"https://vuldb.com/?id.338430","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://vuldb.com/?ctiid.338430","tags":["signature","permissions-required","Permissions Required","VDB Entry","report"]},{"url":"https://vuldb.com/?submit.710255","tags":["third-party-advisory","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://gist.github.com/H2u8s/c533741e1b36f6245d41cace89a7f4d2","tags":["related","Exploit","Third Party Advisory","web"]},{"url":"https://github.com/simstudioai/sim/pull/2343","tags":["issue-tracking","Exploit","Issue Tracking","report"]},{"url":"https://gist.github.com/H2u8s/c533741e1b36f6245d41cace89a7f4d2#-steps-to-reproduce","tags":["exploit","Exploit","Third Party Advisory","evidence"]},{"url":"https://github.com/simstudioai/sim/commit/e359dc2946b12ed5e45a0ec9c95ecf91bd18502a","tags":["patch","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-15099","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2hg8-9339-xpwg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15099.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-15099","title":"simstudioai sim CRON Secret internal.ts improper authentication","description":"A vulnerability was identified in simstudioai sim up to 0.5.27. This vulnerability affects unknown code of the file apps/sim/lib/auth/internal.ts of the component CRON Secret Handler. The manipulation of the argument INTERNAL_API_SECRET leads to improper authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The identifier of the patch is e359dc2946b12ed5e45a0ec9c95ecf91bd18502a. Applying a patch is the recommended action to fix this issue.","status":"published","published":"2025-12-26T04:02:07.111Z","modified":"2025-12-26T15:04:35.405Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"high","assessor":"cna"},{"version":"3.0","score":7.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"high","assessor":"cna"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:32:37.680845Z"}],"euvd":[{"id":"EUVD-2025-205425","description":"A vulnerability was identified in simstudioai sim up to 0.5.27. This vulnerability affects unknown code of the file apps/sim/lib/auth/internal.ts of the component CRON Secret Handler. The manipulation of the argument INTERNAL_API_SECRET leads to improper authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The identifier of the patch is e359dc2946b12ed5e45a0ec9c95ecf91bd18502a. Applying a patch is the recommended action to fix this issue.","status":"published","published":"2025-12-26T04:02:07Z","modified":"2025-12-26T15:04:35Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"}],"updated_at":"2026-11-02T19:49:01.342725Z"}],"ghsa":[{"id":"GHSA-2hg8-9339-xpwg","title":"A vulnerability was identified in simstudioai sim up to 0.5.27. This vulnerability affects...","description":"A vulnerability was identified in simstudioai sim up to 0.5.27. This vulnerability affects unknown code of the file apps/sim/lib/auth/internal.ts of the component CRON Secret Handler. The manipulation of the argument INTERNAL_API_SECRET leads to improper authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The identifier of the patch is e359dc2946b12ed5e45a0ec9c95ecf91bd18502a. Applying a patch is the recommended action to fix this issue.","status":"published","published":"2025-12-26T06:30:27Z","modified":"2025-12-26T06:30:33Z","cvss":[{"version":"4.0","score":5.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:05:22.620437Z"}],"nvd":[{"id":"CVE-2025-15099","description":"A vulnerability was identified in simstudioai sim up to 0.5.27. This vulnerability affects unknown code of the file apps/sim/lib/auth/internal.ts of the component CRON Secret Handler. The manipulation of the argument INTERNAL_API_SECRET leads to improper authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The identifier of the patch is e359dc2946b12ed5e45a0ec9c95ecf91bd18502a. Applying a patch is the recommended action to fix this issue.","status":"published","published":"2025-12-26T04:15:40.347Z","modified":"2026-10-07T13:10:00.713Z","cvss":[{"version":"4.0","score":5.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:11:53.683969Z"}],"osv":[{"id":"CVE-2025-15099","title":"simstudioai sim CRON Secret internal.ts improper authentication","description":"A vulnerability was identified in simstudioai sim up to 0.5.27. This vulnerability affects unknown code of the file apps/sim/lib/auth/internal.ts of the component CRON Secret Handler. The manipulation of the argument INTERNAL_API_SECRET leads to improper authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The identifier of the patch is e359dc2946b12ed5e45a0ec9c95ecf91bd18502a. Applying a patch is the recommended action to fix this issue.","status":"published","published":"2025-12-26T04:02:07.111Z","modified":"2026-10-28T02:30:37.962806094Z","cvss":[{"version":"4.0","score":5.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:44:46.340268Z"}]}}