CVE-2021-41149High· 8.2▾ TwilightImproper sanitization of target names
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 45.1 · likelihood 0.2 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 3.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
1.1%
1.1% → 1.1%
The tough library, prior to 0.12.0, does not properly sanitize target names when caching a repository, or when saving specific targets to an output directory. When targets are cached or saved, files could be overwritten with arbitrary content anywhere on the system.
AWS would like to thank https://github.com/jku for reporting this issue.
A fix is available in version 0.12.0.
No workarounds to this issue are known.
tough < 0.12.0Upgrade to a patched release:
tough 0.12.0Connected by shared product, vendor, weakness, or advisory.
CVE-2020-15093High· 8.6Improper uniqueness verification of signature threshold
CVE-2026-6966Medium· 5.3Signature Threshold Bypass in awslabs/tough Delegated Roles
CVE-2026-6967Medium· 5.9Missing Delegated Metadata Validation in awslabs/tough
CVE-2026-6968Medium· 5.9Multiple Path Traversal Variants in awslabs/tough