CVE-2026-53956Medium· 5.4▾ SunlitRattler is a library that provides common functionality used within the conda ecosystem. `rattler_cache` prior to version 0.9.0 and `py-rattler` prior to version 0.24.0 were vulnerable to package-cache path traversal when handling packag…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.7 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 11.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
Rattler is a library that provides common functionality used within the conda ecosystem. rattler_cache prior to version 0.9.0 and py-rattler prior to version 0.24.0 were vulnerable to package-cache path traversal when handling package metadata from conda channels. During cache materialization, the ratter_cache code used the package record build string as part of a cache key that was joined into a filesystem path. A malicious or untrusted channel could publish repodata with path separators or traversal components in that field, causing package contents to be written outside the configured package cache directory. The issue requires use of a malicious or otherwise untrusted conda channel. Curated channels that validate package metadata are not expected to allow malformed build strings of this form. Users should upgrade to rattler_cache version 0.9.0 or py-rattler version 0.24.0 and avoid untrusted conda channels.
rattler_cache < 0.9.0py-rattler < 0.24.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
rattler_cache <= 0.8.2py_rattler <= 0.23.2Patched in:
rattler_cache 0.9.0py_rattler 0.24.0Connected by shared product, vendor, weakness, or advisory.
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