PatchTheCVECVE-2026-42865: Inbox Zero is an AI personal assistant for email
CVE-2026-42865 is a medium-severity flaw (CVSS 4.3) affecting inbox zero. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 87%) |
| CISA exploited list | No |
| Weakness | CWE-200 |
| Published | 2026-05-11 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-42865?
inbox zero: upgrade to 2.29.3. Exact commands for each OS are on this page.
Is CVE-2026-42865 being exploited?
CVE-2026-42865 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-42865 affect?
CVE-2026-42865 affects inbox zero. Severity is medium (CVSS 4.3). 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
How urgent is CVE-2026-42865?
Priority 18/100. No elevated risk signals yet.