CVE-2020-28949: Potential file overwrite if archive filename starts with file://

unknown KEV Affects pear/archive_tar. Feed 2026.10.29.1, updated 2026-10-28; CVE published 2020; listed on CISA KEV 2022-08-25.

Potential file overwrite if archive filename starts with file://

Package
pear/archive_tar Composer
Affected versions
<1.4.11
Fixed in
1.4.11
Severity
unknown
Exploitation
KEV listed by CISA as actively exploited · EPSS 85% (99.7th percentile)
Source
friendsofphp

References

NVD recordpear/archive_tar advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

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