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TI-2018-05712 Aliases CVE-2018-7889GHSA-7hmv-6p8v-7rmw

gui2/viewer/bookmarkmanager.py in Calibre 3.18 calls cPickle.load on imported bookmark…

Priority MEDIUM 41CWE-502Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

EPSS 0.04508 91st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:calibre-ebook:calibre:3.18.0:*:*:*:*:*:*:*3.18.0VulnerableCalibre
  • cpe:2.3:a:calibre-ebook:calibre:3.18.0:*:*:*:*:*:*:* Versions 3.18.0 Vulnerable ·Calibre

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-7889
  2. 2026-10-03 Alias added: GHSA-7hmv-6p8v-7rmw

References

Exploit 1

Patch 1

  • TI-2024-06284 Calibre Arbitrary File Read CVSS 3.1HIGH 7.5
  • TI-2023-24918 link_to_local_path in ebooks/conversion/plugins/html_input.py in calibre before 6.19.0… CVSS 3.1HIGH 7.5
  • TI-2026-25627 calibre has a path traversal vulnerability CVSS 4.0HIGH 8.2
  • TI-2026-23682 calibre has a Path Traversal Leading to Arbitrary File Write CVSS 3.1HIGH 8.2
  • TI-2026-20799 Calibre Affected by Arbitrary Code Execution via Server-Side Template Injection in Calibre HTML Export CVSS 3.1HIGH 7.8
  • TI-2024-06504 Calibre SQL Injection CVSS 3.1HIGH 7.1
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences