Denial of Service in handlebars
Priority LOW 38CWE-400Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-400.
Summary
Affected versions of `handlebars` are vulnerable to Denial of Service. The package's parser may be forced into an endless loop while processing specially-crafted templates. This may allow attackers to exhaust system resources leading to Denial of Service. ## Recommendation Upgrade to version 4.4.5 or later.
Why it matters now
Fix Fixed handlebars (npm): 4.4.5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | handlebars (npm) | 4.0.0 to before 4.4.5 | 4.4.5 | Patch available | GHSA-f52g-6jhx-586p |
- handlebars (npm) Vendor— Affected 4.0.0 to before 4.4.5 Fixed in 4.4.5 Patch available GHSA-f52g-6jhx-586p
Remediation
- Fix · GHSA-f52g-6jhx-586p handlebars (npm) Fixed in 4.4.5 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-f52g-6jhx-586p
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences