PT-2026-53584 · Pypi · Radicale

Published 2026-06-29 · Updated 2026-06-29

OSV

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

The filesystem storage backend in Radicale before 1.1 on Windows allows remote attackers to read or write to arbitrary files via a crafted path, as demonstrated by /c:/file/ignore.

Fix

Related Identifiers

PYSEC-2026-512

Affected Products

Radicale

References · 12

• https://osv.dev/vulnerability/PYSEC-2026-512 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-1505 · Security Note
• https://github.com/Kozea/Radicale/commit/b4b3d51f33c7623d312f289252dd7bbb8f58bbe6 · Note
• https://github.com/Kozea/Radicale/pull/343 · Note
• https://github.com/Kozea/Radicale · Note
• http://openwall.com/lists/oss-security/2016/01/06/7 · Note
• https://pypi.org/project/radicale · Note
• http://openwall.com/lists/oss-security/2016/01/06/4 · Note
• http://securityfocus.com/bid/80255 · Note
• http://openwall.com/lists/oss-security/2016/01/07/7 · Note
• https://github.com/advisories/GHSA-84cw-mxhv-qvv4 · Note
• http://openwall.com/lists/oss-security/2016/01/05/7 · Note