CVE-2026-91080: Allocation of Resources Without Limits or Throttling in adnanh webhook
webhook through 2.8.3 reads the entire request body into memory before evaluating trigger rules, allowing unauthenticated attackers to exhaust memory by sending oversized bodies. Attackers can send multi-gigabyte request bodies with invalid signatures to trigger out-of-memory conditions and crash the service.
CVE-2026-91080: Allocation of Resources Without Limits or Throttling in adnanh webhook
Description
webhook through 2.8.3 reads the entire request body into memory before evaluating trigger rules, allowing unauthenticated attackers to exhaust memory by sending oversized bodies. Attackers can send multi-gigabyte request bodies with invalid signatures to trigger out-of-memory conditions and crash the service.
CVSS v4.0
Score 8.7high
Affected software
adnanh
webhook
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Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-14T17:33:12.740Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa836ab55bf5e2cf568439e
Added to database: 09/14/2026, 18:02:19 UTC
Last updated: 09/14/2026, 18:02:19 UTC
Views: 1
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