wongcyrus ExcelLexBot up to 0.0.3 Lambda Function ExcelLexBotS3TriggerFunction privileges management

Summaryinfo

A vulnerability, which was classified as critical, was found in wongcyrus ExcelLexBot up to 0.0.3. This vulnerability affects the function ExcelLexBotS3TriggerFunction of the component Lambda Function Handler. Executing a manipulation can lead to privileges management. This vulnerability only affects products that are no longer supported by the maintainer. The identification of this vulnerability is CVE-2026-19360. The attack may be launched remotely. There is no exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in wongcyrus ExcelLexBot up to 0.0.3. It has been declared as critical. This vulnerability affects the function ExcelLexBotS3TriggerFunction of the component Lambda Function Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability.

This vulnerability was named CVE-2026-19360. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are needed for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/08/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• wongcyrus

Name

• ExcelLexBot

Version

• 0.0.1
• 0.0.2
• 0.0.3

Support

• end of life

CPE 2.3info

• 🔒
• 🔒
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CPE 2.2info

• 🔒
• 🔒
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Exploitinginfo

Threat Intelligenceinfo

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Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #866026: wongcyrus ExcelLexBot 0.0.3 and earlier Improper Access Controls (by changli)

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