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Vulnerability DatabaseCVE-2026-28684

CVE-2026-28684: 
Linux Debian vulnerability analysis and mitigation

python-dotenv reads key-value pairs from a .env file and can set them as environment variables. Prior to version 1.2.2, set_key() and unset_key() in python-dotenv follow symbolic links when rewriting .env files, allowing a local attacker to overwrite arbitrary files via a crafted symlink when a cross-device rename fallback is triggered. Users should upgrade to v.1.2.2 or, as a workaround, apply the patch manually.

Source: NVD

Related Linux Debian vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-41445HIGH8.7
  • Linux DebianLinux Debian
  • kissfft
NoNoApr 20, 2026
CVE-2026-28684MEDIUM6.6
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NoNoApr 20, 2026
CVE-2026-6654MEDIUM5.1
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NoYesApr 20, 2026
CVE-2026-3219MEDIUM4.6
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NoNoApr 20, 2026

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