Sawtooth Software Lighthouse Studio < 9.16.14 Pre-Authentication RCE
Priority CRITICAL 89CWE-1336Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-1336.
Summary
A template injection vulnerability exists in Sawtooth Software’s Lighthouse Studio versions prior to 9.16.14 via the ciwweb.pl http://ciwweb.pl/ Perl web application. Exploitation allows an unauthenticated attacker can execute arbitrary commands.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.81264 99th percentileScored 2026-11-07
Fix Fixed Lighthouse Studio (Sawtooth Software): 9.16.14
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Sawtooth Software | Lighthouse Studio | before 9.16.14 | 9.16.14 | Patch available | CNA |
- Lighthouse Studio VendorSawtooth Software Affected before 9.16.14 Fixed in 9.16.14 Patch available CNA
Remediation
- Fix · CNA Lighthouse Studio (Sawtooth Software) Fixed in 9.16.14
Timeline
- 2026-10-02 Threatist record created from CVE-2025-34300
- 2026-10-03 Alias added: GHSA-m8mc-qpg2-g56x
References
Sources
- CVE-2025-34300 · CVE Program
- CVE-2025-34300 · NVD
- FIRST EPSS
- GHSA-m8mc-qpg2-g56x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences