MEDIUMCVSS v3.1 6.5Vulnerability
CVE-2026-126405
Coder 2.21.0 before 2.29.24, 2.30.0 before 2.34.16, 2.35.0 before 2.36.11, 2.37.0 before 2.37.8, and 2.38.0 before 2.38.4 reads Web Push endpoint responses in webpushSend with io.ReadAll, without a size limit or client timeout. Any authenticated user can register a subscription via POST /api/v2/users/{user}/webpush/subscription pointing to a server returning an endless body, exhausting coderd memory and crashing the API, dashboard, and workspace connections.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-14T00:40:25.638091+00:00
- Epss score
- 0.00436
- Cvss score
- 6.5
- Cvss severity
- MEDIUM
- Retrieved at
- 2026-11-14T00:51:03+00:00
- Score
- 6.5
- Last source
- FIRST EPSS
- Cvss version
- 3.1
- Cve id
- CVE-2026-126405
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- First seen by Signal
- 2026-11-13T17:31:47+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Published at
- 2026-11-13T10:17:45.257
- Last modified
- 2026-11-13T10:17:45.257
- Epss percentile
- 0.38363
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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