Pending AI Enrichment
This vulnerability was recently detected via the live feed and has not yet been processed by Precogs AI's context enrichment engine. The data below represents raw telemetric data.
RAW NVD TELEMETRY
CVE-2026-27858
CVSS Base Score
7.5 HIGH
Primary Weakness
CWE-400
Published Date
Mar 27, 2026
Data Source
NVD API
Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory. Attacker can force managesieve-login to be unavailable by repeatedly crashing the process. Protect access to managesieve protocol, or install fixed version. No publicly available exploits are known.