High 7.3Published Dec 25, 2025

CVE-2025-15099simstudioai sim CRON Secret internal.ts improper authentication

Updated under an hour ago (Oct 26, 2026, 7:10 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for simstudioai sim

Exploited in the last 30 days

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.

CVSS: 7.3 HIGH (v3.1, CNA)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
Weakness (CWE): CWE-287
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Dec 26, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

simstudioai sim simstudioai:sim (from the name)	0.5.0; 0.5.1; 0.5.2; 0.5.3; 0.5.4; 0.5.5; 0.5.6; 0.5.7; and 20 more ranges	CNA record
sim sim sim:sim	through 0.5.27	NVD

References

References

https://vuldb.com/?id.338430	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.338430	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.710255	third-party-advisory, vdb-entry
https://gist.github.com/H2u8s/c533741e1b36f6245d41cace89a7f4d2	related, exploit, third-party-advisory
https://github.com/simstudioai/sim/pull/2343	issue-tracking, exploit
https://gist.github.com/H2u8s/c533741e1b36f6245d41cace89a7f4d2#-steps-to-reproduce	exploit, third-party-advisory
https://github.com/simstudioai/sim/commit/e359dc2946b12ed5e45a0ec9c95ecf91bd18502a	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.