Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2020-7788

CVE-2020-7788CRITICAL

n/a ini — Prototype Pollution

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .0365   89.5     —

AFFECTED
  Product  Versions       Fixed
  ini      unspecified –  —

TIMELINE
  Jan 21  Reserved by snyk
  Dec 11  Published (CNA: snyk)
  Oct 8   EXPLOIT PUBLISHED — CVE-2020-7788 (ini). Public exploit reference added.
  Oct 8   RESCORED — CVE-2020-7788 (ini). CVSS 7.3 → 9.8 (NVD).

CWE-1321 · CNA: snyk · CVSS v3.1 · 3 references · NVD status: Modified

Description

This affects the package ini before 1.3.6. If an attacker submits a malicious INI file to an application that parses it with ini.parse, they will pollute the prototype on the application. This can be exploited further depending on the context.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
January 21, 2020	Reserved	Reserved by snyk
December 11, 2020	Published	Published (CNA: snyk)
October 8, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2020-7788 (ini). Public exploit reference added.
October 8, 2026	RESCORED	RESCORED — CVE-2020-7788 (ini). CVSS 7.3 → 9.8 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	ini	—	unspecified	—

Weaknesses

CWE-1321

References (3)

https://github.com/npm/ini/commit/56d2805e07ccd94e2ba0984ac9240ff02d44b6f1 [Patch, Third Party Advisory]
https://lists.debian.org/debian-lts-announce/2020/12/msg00032.html [Mailing List, Third Party Advisory]
https://snyk.io/vuln/SNYK-JS-INI-1048974 [Exploit, Third Party Advisory]

Authoritative record: CVE-2020-7788 at cve.org

Weaknesses: CWE-1321

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-7788 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.