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TI-2025-13777 Aliases CVE-2025-15099GHSA-2hg8-9339-xpwg

simstudioai sim CRON Secret internal.ts improper authentication

Priority HIGH 70CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00788 56th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SimStudioAIsim0.5.0; 0.5.1; 0.5.2; 0.5.3; 0.5.4; 0.5.5; 0.5.6; 0.5.7; 0.5.8; 0.5.9; 0.5.10; 0.5.11; 0.5.12; 0.5.13; 0.5.14; 0.5.15; 0.5.16; 0.5.17; 0.5.18; 0.5.19; 0.5.20; 0.5.21; 0.5.22; 0.5.23; 0.5.24; 0.5.25; 0.5.26; 0.5.27—No fix listedCNA
  • sim VendorSimStudioAI Affected 0.5.0; 0.5.1; 0.5.2; 0.5.3; 0.5.4; 0.5.5; 0.5.6; 0.5.7; 0.5.8; 0.5.9; 0.5.10; 0.5.11; 0.5.12; 0.5.13; 0.5.14; 0.5.15; 0.5.16; 0.5.17; 0.5.18; 0.5.19; 0.5.20; 0.5.21; 0.5.22; 0.5.23; 0.5.24; 0.5.25; 0.5.26; 0.5.27 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sim:sim:*:*:*:*:*:*:*:*up to 0.5.27VulnerableSimStudioAI
  • cpe:2.3:a:sim:sim:*:*:*:*:*:*:*:* Versions up to 0.5.27 Vulnerable ·SimStudioAI

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-15099
  2. 2026-10-03 Alias added: GHSA-2hg8-9339-xpwg

References

Exploit 3

Patch 1

  • TI-2025-06476 SimStudioAI sim Session route.ts POST missing authentication CVSS 4.0MEDIUM 6.9
  • TI-2025-06469 SimStudioAI sim route.ts handleLocalFile path traversal CVSS 4.0MEDIUM 6.9
  • TI-2025-09270 SimStudioAI sim route.ts code injection CVSS 4.0MEDIUM 5.3
  • TI-2025-09269 SimStudioAI sim route.ts server-side request forgery CVSS 4.0MEDIUM 5.3
  • TI-2025-08994 SimStudioAI sim route.ts server-side request forgery CVSS 4.0MEDIUM 5.3
  • TI-2025-08990 SimStudioAI sim path traversal CVSS 4.0MEDIUM 5.3
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences