What is CVE-2026-42865?

CVE-2026-42865 is a medium-severity vulnerability in Elie222 Inbox-zero, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-05-11.

How severe is CVE-2026-42865?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Elie222 Inbox-zero

CVE-2026-42865

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 accoun…

Vulnerability class: Information Disclosure

EPSS: 0.000 (9.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Elie222 Inbox-zero — versions < 2.29.3
Getinboxzero Inbox_zero

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-42865?: CVE-2026-42865 is a medium-severity vulnerability in Elie222 Inbox-zero, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-05-11.
How severe is CVE-2026-42865?: Medium severity. CVSS v3 base score is 4.3 out of 10.