CVE-2026-42865 PUBLISHED

Inbox Zero: Cross-account cleaner email stream exposure

Assigner: GitHub_M
Reserved: 30.04.2026 Published: 11.05.2026 Updated: 11.05.2026

Inbox Zero is an AI personal assistant for email. Prior to 2.29.3, the cleaner email stream endpoint used a shared Redis subscription listener, which could deliver thread events for one authenticated account to another authenticated account using the cleaner feature at the same time. This vulnerability is fixed in 2.29.3.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 2.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	elie222
Product	inbox-zero
Versions	Version < 2.29.3 is affected

References

Problem Types

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE