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P4Verified
CVE-2026-110600: xlsxio 0 through 0.2.37
CVE-2026-110600. CVSS 3.1 base score 5.5 (GitHub Advisory Database).
Affected technology
xlsxio · 0 through 0.2.37
brechtsanders
Description’s affected range: through 0.2.37
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · Passive user interaction
What an attacker can do
Attackers can supply a .xlsx file whose workbook.xml.rels contains a worksheet Relationship lacking an Id attribute, crashing the process when xlsxioread_sheet_open() is called. Vendor/CNA’s CVSS 4.0 assessment (base score 6.8/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-476
- CCR priority
- 22.0 /100 (P4)
- CVSS 3.1
- 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H · GitHub Advisory Database
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-14 16:01:16.619248+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-14 15:56:36.793806+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-110600.html