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TI-2026-05822 Aliases CVE-2026-6635GHSA-6c34-3mhj-jwxw

rowboatlabs rowboat tools_webhook app.py tool_call improper authentication

Priority HIGH 70CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

A security vulnerability has been detected in rowboatlabs rowboat up to 0.1.67. This impacts the function tool_call of the file apps/experimental/tools_webhook/app.py of the component tools_webhook. Such manipulation of the argument X-Tools-JWE leads to improper authentication. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00466 40th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
rowboatlabsrowboat0.1.0; 0.1.1; 0.1.2; 0.1.3; 0.1.4; 0.1.5; 0.1.6; 0.1.7; 0.1.8; 0.1.9; 0.1.10; 0.1.11; 0.1.12; 0.1.13; 0.1.14; 0.1.15; 0.1.16; 0.1.17; 0.1.18; 0.1.19; 0.1.20; 0.1.21; 0.1.22; 0.1.23; 0.1.24; 0.1.25; 0.1.26; 0.1.27; 0.1.28; 0.1.29; 0.1.30; 0.1.31; 0.1.32; 0.1.33; 0.1.34; 0.1.35; 0.1.36; 0.1.37; 0.1.38; 0.1.39; 0.1.40; 0.1.41; 0.1.42; 0.1.43; 0.1.44; 0.1.45; 0.1.46; 0.1.47; 0.1.48; 0.1.49; 0.1.50; 0.1.51; 0.1.52; 0.1.53; 0.1.54; 0.1.55; 0.1.56; 0.1.57; 0.1.58; 0.1.59; 0.1.60; 0.1.61; 0.1.62; 0.1.63; 0.1.64; 0.1.65; 0.1.66; 0.1.67—No fix listedCNA
  • rowboat Vendorrowboatlabs Affected 0.1.0; 0.1.1; 0.1.2; 0.1.3; 0.1.4; 0.1.5; 0.1.6; 0.1.7; 0.1.8; 0.1.9; 0.1.10; 0.1.11; 0.1.12; 0.1.13; 0.1.14; 0.1.15; 0.1.16; 0.1.17; 0.1.18; 0.1.19; 0.1.20; 0.1.21; 0.1.22; 0.1.23; 0.1.24; 0.1.25; 0.1.26; 0.1.27; 0.1.28; 0.1.29; 0.1.30; 0.1.31; 0.1.32; 0.1.33; 0.1.34; 0.1.35; 0.1.36; 0.1.37; 0.1.38; 0.1.39; 0.1.40; 0.1.41; 0.1.42; 0.1.43; 0.1.44; 0.1.45; 0.1.46; 0.1.47; 0.1.48; 0.1.49; 0.1.50; 0.1.51; 0.1.52; 0.1.53; 0.1.54; 0.1.55; 0.1.56; 0.1.57; 0.1.58; 0.1.59; 0.1.60; 0.1.61; 0.1.62; 0.1.63; 0.1.64; 0.1.65; 0.1.66; 0.1.67 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-6635
  2. 2026-10-03 Alias added: GHSA-6c34-3mhj-jwxw
  3. 2026-10-11 EPSS moved to the 50th–90th percentile
  4. 2026-10-25 EPSS moved to the below the 50th percentile

References

Exploit 1

  • TI-2026-58340 rowboatlabs rowboat Composio Webhook Endpoint route.ts req.json denial of service CVSS 4.0MEDIUM 6.9
  • TI-2025-06477 rowboatlabs rowboat Session route.ts PUT missing authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-58921 Rowboat through 0.9.1 Server-Side Request Forgery via Custom MCP Server CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences