Blind SSRF in Trigger.dev via alert channel webhook URL
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Trigger.dev before 4.5.2 contains a blind server-side request forgery flaw (CWE-918) in the alert channel webhook URL. An authenticated tenant can set an unvalidated webhook URL that makes the webapp server send POST requests to internal hosts. A remote attacker with low privileges can use this to scan internal hosts and send state-changing POST requests, and can reach IMDSv1 through redirects.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
Trigger.dev before 4.5.2 contains a blind server-side request forgery vulnerability that allows authenticated tenants to make the webapp server send POST requests to internal hosts by setting an unvalidated webhook alert channel URL. Attackers can point the webhook at internal services or cloud metadata addresses and trigger alerts to scan internal hosts, send state-changing POSTs, or reach IMDSv1 via redirects.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| triggerdotdev | trigger.dev | before 4.5.2 | 4.5.2 | Patch available | CNA |
- trigger.dev Vendortriggerdotdev Affected before 4.5.2 Fixed in 4.5.2 Patch available CNA
Remediation
Upgrade trigger.dev to version 4.5.2 or later, which fixes the flaw.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA trigger.dev (triggerdotdev) Fixed in 4.5.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
triggerdotdev trigger.dev 4.5.2
3 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-78702 Cross-site request forgery in Trigger.dev CLI leads to token theftPriority HIGH 73
- TI-2026-78693 Blind SSRF in Trigger.dev alert-channel webhook URLPriority LOW 24
Timeline
- 2026-10-21 Threatist record created from CVE-2026-114076
- 2026-10-28 CISA SSVC decision points changed
- 2026-10-28 Priority changed: LOW → MEDIUM
References
More triggerdotdev vulnerabilities
- TI-2026-78700 Hardcoded default secrets in Trigger.dev enable authentication bypass CVSS 4.0CRITICAL 9.2
- TI-2026-78702 Cross-site request forgery in Trigger.dev CLI leads to token theft CVSS 4.0HIGH 8.7
- TI-2026-78696 Trigger.dev Path Traversal in Packets Presigned URL Endpoints CVSS 4.0HIGH 8.6
- TI-2026-78682 Improper authorization in Trigger.dev exposes root API key via envvars endpoint CVSS 4.0HIGH 8.6
- TI-2026-51742 Trigger.dev: Cross-tenant object store read and write via URL path traversal CVSS 3.1HIGH 8.2
- TI-2026-78699 Trigger.dev realtime streams accept unauthenticated data injection CVSS 4.0MEDIUM 6.9
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences