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Vulnerability record · CVE-2021-47986 · published 25 June 2026

CVE-2021-47986: Parseplatform parse-server download of code without integrity check vulnerability

Parseplatform · Parse Server

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.

7.7 CVSS 4.0 High EPSS 0.18% · top 93.3% CWE-494 · Download of code without integrity check
7.7CVSS 4.0 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
30 Jul 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/parse-community/parse-server/security/advisories/GHSA-593v-wcqx-hq2w Vendor Advisory
https://www.vulncheck.com/advisories/parse-server-unreviewed-code-execution-via-malicious-version-tags Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-47986), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.