CVE-2026-6635rowboatlabs rowboat tools_webhook app.py tool_call improper authentication
- 6.9MediumCVSS base score
- 0.47%Exploitation in 30 daysEPSS · top 59% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.
Show the exploits1
References tagged exploit1 reference
Timeline
ID reserved
By VulDB
- 1 day later
· 1 day later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
| VulDBCNA (assigner) | 3.1 | High7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 3.0 | High7.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
| NVDNVD · Deferred | 4.0 | Medium5.5 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.47% · top 59% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Affected products
- affected 0.1.0
- affected 0.1.1
- affected 0.1.2
- affected 0.1.3
- affected 0.1.4
- affected 0.1.5
- affected 0.1.6
- affected 0.1.7
- affected 0.1.8
- affected 0.1.9
- affected 0.1.10
- affected 0.1.11
- affected 0.1.12
- affected 0.1.13
- affected 0.1.14
- affected 0.1.15
- affected 0.1.16
- affected 0.1.17
- affected 0.1.18
- affected 0.1.19
- affected 0.1.20
- affected 0.1.21
- affected 0.1.22
- affected 0.1.23
- affected 0.1.24
- affected 0.1.25
- affected 0.1.26
- affected 0.1.27
- affected 0.1.28
- affected 0.1.29
- affected 0.1.30
- affected 0.1.31
- affected 0.1.32
- affected 0.1.33
- affected 0.1.34
- affected 0.1.35
- affected 0.1.36
- affected 0.1.37
- affected 0.1.38
- affected 0.1.39
- and 28 more
References
References4
- VDB-358269 | rowboatlabs rowboat tools_webhook app.py tool_call improper authentication (opens in a new tab)vdb-entrytechnical-description
- VDB-358269 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- Submit #793433 | Rowboat Labs Rowboat 0.1.67 Authentication Bypass Issues (opens in a new tab)third-party-advisory
- https://github.com/Dave-gilmore-aus/security-advisories/blob/main/rowbat-advisory (opens in a new tab)exploit
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-23840 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-6635)Record last updated .