CVE-2021-47986 | THREATINT

Description

Parse Server before 4.10.0 contains a supply chain vulnerability where incorrect version tags were pushed to the repository linking to unreviewed code in a personal fork. Attackers could exploit this by specifying affected version tags in dependency declarations to execute unreviewed and potentially malicious code.

PUBLISHED Reserved 2026-06-21 | Published 2026-06-25 | Updated 2026-06-26 | Assigner VulnCheck

HIGH: 7.7CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

HIGH: 7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem types

Download of Code Without Integrity Check

Product status

Default status

unaffected

Any version before 4.10.0

affected

4.10.0 (semver)

unaffected

References

github.com/...server/security/advisories/GHSA-593v-wcqx-hq2w (GitHub Security Advisory (GHSA-593v-wcqx-hq2w)) vendor-advisory

www.vulncheck.com/...de-execution-via-malicious-version-tags (VulnCheck Advisory: Parse Server - Unreviewed Code Execution via Malicious Version Tags) third-party-advisory

cve.org (CVE-2021-47986)

nvd.nist.gov (CVE-2021-47986)

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