CVE-2026-19360: wongcyrus ExcelLexBot Lambda Function ExcelLexBotS3TriggerFunction privileges management

Severity: medium (CVSS 4.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-09 · updated 2026-10-23
Weakness: CWE-266

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

wongcyrus ExcelLexBot: 0.0.1, 0.0.2, 0.0.3

References

https://vuldb.com/cve/CVE-2026-19360
https://vuldb.com/submit/866026
https://vuldb.com/vuln/387214
https://vuldb.com/vuln/387214/cti

Get alerted when CVE-2026-19360 or the next vulnerability affects your stack