CVE-2026-42594
- Source
- https://cve.org/CVERecord?id=CVE-2026-42594
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-42594.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2026-42594
- Aliases
- Published
- 2026-05-14T15:32:32.308Z
- Modified
- 2026-05-28T03:54:45.293189438Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- Gotenberg: Unauthenticated denial of service via echo.Context pool reuse in webhook async goroutine
- Details
-
Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, the webhook middleware spawns a goroutine that holds a reference to the request's echo.Context after the synchronous handler returns ErrAsyncProcess and Echo recycles the context back to its sync.Pool. When a concurrent request claims the recycled context, c.Reset() clears the store. If the webhook goroutine reaches hardTimeoutMiddleware at that moment, an unchecked type assertion on a nil store entry panics outside any recover() scope, crashing the Gotenberg process. Any anonymous caller reaches the webhook path (default webhook-deny-list filters only the webhook destination, not the submitter). A single-source stress of ~24 webhook requests plus ~60 GET /version requests crashes the process in about two seconds. This vulnerability is fixed in 8.32.0.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42594.json", "cwe_ids": [ "CWE-362" ], "cna_assigner": "GitHub_M" }- References
Affected packages
Git / github.com/gotenberg/gotenberg
Affected ranges
- Type
- GIT
- Repo
- https://github.com/gotenberg/gotenberg
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed