CVE-2026-19360CWE-266CWE-269privilege-escalation

CVE-2026-19360

Medium · published August 9, 2026

CVSS v3.1
4.7
EPSS
0%
Percentile
30.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00376 · 30.4th percentile
Weaknesses
CWE-266 · Incorrect Privilege Assignment; CWE-269 · Improper Privilege Management
Published
2026-08-09T21:16Z
References (4)
EPSS history
Timeline
  • 09 AUG 17:00Z
    wongcyrus ExcelLexBot Lambda Function ExcelLexBotS3TriggerFunction privileges management
    cvelistv5