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TI-2023-24918 Aliases CVE-2023-46303GHSA-3j9j-5462-cpx8

link_to_local_path in ebooks/conversion/plugins/html_input.py in calibre before 6.19.0…

Priority HIGH 72CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

link_to_local_path in ebooks/conversion/plugins/html_input.py in calibre before 6.19.0 can, by default, add resources outside of the document root.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01628 76th 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

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

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:*:*:*:*:*:*:*:*before 6.19.0VulnerableCalibre
  • cpe:2.3:a:calibre-ebook:calibre:*:*:*:*:*:*:*:* Versions before 6.19.0 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-2023-46303
  2. 2026-10-03 Alias added: GHSA-3j9j-5462-cpx8

References

  • TI-2024-06284 Calibre Arbitrary File Read 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
  • TI-2026-22163 calibre Vulnerable to HTTP Response Header Injection CVSS 3.1MEDIUM 6.4
See all 19 →

Sources