Description
OpenClaw before 2026.3.13 reads and buffers Telegram webhook request bodies before validating the x-telegram-bot-api-secret-token header, allowing unauthenticated attackers to exhaust server resources. Attackers can send POST requests to the webhook endpoint to force memory consumption, socket time, and JSON parsing work before authentication validation occurs.
Published: 2026-03-29
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: Resource Exhaustion
Action: Immediate Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-jq3f-vjww-8rq7 OpenClaw Telegram webhook request bodies were read before secret validation, enabling unauthenticated resource exhaustion
History

Mon, 30 Mar 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 29 Mar 2026 13:15:00 +0000

Type Values Removed Values Added
Description OpenClaw before 2026.3.13 reads and buffers Telegram webhook request bodies before validating the x-telegram-bot-api-secret-token header, allowing unauthenticated attackers to exhaust server resources. Attackers can send POST requests to the webhook endpoint to force memory consumption, socket time, and JSON parsing work before authentication validation occurs.
Title OpenClaw < 2026.3.13 - Resource Exhaustion via Unauthenticated Telegram Webhook Request
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-770
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Openclaw Openclaw
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-03-30T16:02:56.784Z

Reserved: 2026-03-17T11:31:56.955Z

Link: CVE-2026-32980

cve-icon Vulnrichment

Updated: 2026-03-30T16:02:52.460Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-29T13:17:02.353

Modified: 2026-03-31T17:54:44.507

Link: CVE-2026-32980

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-30T06:58:15Z

Weaknesses