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: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

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: 2026-03-29T12:44:28.919Z

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

Link: CVE-2026-32980

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-32980

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses