Vulnerability · Published Aug 9, 2026 · Assigned by VulDB
CVE-2026-19360wongcyrus ExcelLexBot Lambda Function ExcelLexBotS3TriggerFunction privileges management
Medium 4.7
In plain English
A medium-severity privilege mismanagement in ExcelLexBot from wongcyrus. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
Official description
A vulnerability was detected in wongcyrus ExcelLexBot up to 0.0.3. This affects the function ExcelLexBotS3TriggerFunction of the component Lambda Function Handler. Performing a manipulation results in improper privilege management. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| wongcyrus | ExcelLexBot | 0.0.10.0.20.0.3 |
Weakness: CWE-269, CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
References
- VDB-387214 | wongcyrus ExcelLexBot Lambda Function ExcelLexBotS3TriggerFunction privileges management vdb-entry, technical-description
- VDB-387214 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-19360 | CVE Analysis and Report third-party-advisory
- Submit #866026 | wongcyrus ExcelLexBot 0.0.3 and earlier Improper Access Controls third-party-advisory