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Case File

CVE-2018-7889

HIGH · CVSS 7.8 EPSS 4.59% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-03-08 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2018-7889
Severity
HIGH
CVSS
7.8
EPSS
4.59%

Original Filing — NVD Description

gui2/viewer/bookmarkmanager.py in Calibre 3.18 calls cPickle.load on imported bookmark data, which allows remote attackers to execute arbitrary code via a crafted .pickle file, as demonstrated by Python code that contains an os.system call.