High severity8.1NVD Advisory· Published Jun 26, 2026· Updated Jul 6, 2026
CVE-2026-56876
CVE-2026-56876
Description
extract-zip does not validate symlink targets when extracting zip archives. When processing a malicious zip file containing a symlink with a relative path like '../../../../etc/passwd', extract-zip will extract the symlink without validation, allowing it to point outside the extraction directory. Depending on how extract-zip is used, an attacker could read or write to arbitrary files.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
extract-zipnpm | <= 2.0.1 | — |
Affected products
6- osv-coords2 versionspkg:apk/chainguard/gitlab-rails-ce-19.3pkg:rpm/opensuse/heroic-games-launcher&distro=openSUSE%20Tumbleweed
< 19.3.1-r6+ 1 more
- (no CPE)range: < 19.3.1-r6
- (no CPE)range: < 2.22.0-4.1
Patches
Vulnerability mechanics
References
5- github.com/ziad626/extract-zip-security-research/security/advisories/GHSA-x7jf-2287-qcpfnvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-jmr9-qjv8-65gvghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-56876ghsaADVISORY
- raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-177-01.jsonnvdThird Party AdvisoryWEB
- www.cve.org/CVERecordnvdThird Party AdvisoryWEB
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