# svgo (npm) vulnerabilities

4 known vulnerabilities (3 high, 1 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 4.1.0 (Aug 24, 2026): no advisory affects it
- Newest unaffected release: 4.1.0 (Aug 24, 2026), the latest release
- Weekly downloads: 51.5M
- Dependents: 8,056
- Releases: 119 since 0.0.1 (Sep 27, 2012)
- Registry: https://www.npmjs.com/package/svgo
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-84370: 1.0.0 to 2.8.3 (2.8.4 is outside it); 3.0.0 to 3.3.4 (3.3.5 is outside it); 4.0.0 to 4.0.2 (4.1.0 is outside it)
- CVE-2026-84369: 1.0.0 to 2.8.3 (2.8.4 is outside it); 3.0.0 to 3.3.4 (3.3.5 is outside it); 4.0.0 to 4.0.2 (4.1.0 is outside it)
- CVE-2026-73650: 1.0.0 to 2.8.2 (2.8.3 is outside it); 3.0.0 to 3.3.3 (3.3.4 is outside it); 4.0.0 to 4.0.1 (4.0.2 is outside it)
- CVE-2026-29074: 2.1.0 to 2.8.0 (2.8.1 is outside it); 3.0.0 to 3.3.2 (3.3.3 is outside it); 4.0.0 (4.0.1 is outside it)

## Advisories (4)

### [CVE-2026-84370](https://cve.now/CVE-2026-84370): SVGO: removeScripts allows executable links through namespace and control-character bypasses

- Severity: High 8.2
- Published: Sep 1, 2026
- Affected: from 1.0.0, fixed in 2.8.4; from 3.0.0, fixed in 3.3.5; from 4.0.0, fixed in 4.1.0.
- Fixed in 2.8.4 (released Aug 24, 2026, 8 days before disclosure), 3.3.5 (released Aug 24, 2026, 8 days before disclosure) and 4.1.0 (released Aug 24, 2026, 8 days before disclosure).
- The latest release, 4.1.0, is not affected.
- 59% of svgo downloads last week were affected versions (34.2M).

### [CVE-2026-84369](https://cve.now/CVE-2026-84369): SVGO: removeScripts incompletely sanitizes executable HTML in SVG foreignObject elements

- Severity: Medium 6.1
- Published: Sep 1, 2026
- Affected: from 1.0.0, fixed in 2.8.4; from 3.0.0, fixed in 3.3.5; from 4.0.0, fixed in 4.1.0.
- Fixed in 2.8.4 (released Aug 24, 2026, 8 days before disclosure), 3.3.5 (released Aug 24, 2026, 8 days before disclosure) and 4.1.0 (released Aug 24, 2026, 8 days before disclosure).
- The latest release, 4.1.0, is not affected.
- 59% of svgo downloads last week were affected versions (34.2M).

### [CVE-2026-73650](https://cve.now/CVE-2026-73650): SVGO: removeScripts plugin leaves some executable scripts intact

- Severity: High 8.2
- Published: Aug 13, 2026
- Affected: from 1.0.0, fixed in 2.8.3; from 3.0.0, fixed in 3.3.4; from 4.0.0, fixed in 4.0.2.
- Fixed in 2.8.3 (released Jul 11, 2026, 33 days before disclosure), 3.3.4 (released Jul 11, 2026, 33 days before disclosure) and 4.0.2 (released Jul 11, 2026, 33 days before disclosure).
- The latest release, 4.1.0, is not affected.
- 52% of svgo downloads last week were affected versions (30M).

### [CVE-2026-29074](https://cve.now/CVE-2026-29074): SVGO: DoS through entity expansion in DOCTYPE (Billion Laughs)

- Severity: High 7.5
- Published: Mar 6, 2026
- Affected: from 2.1.0, fixed in 2.8.1; from 3.0.0, fixed in 3.3.3; from 4.0.0, fixed in 4.0.1.
- Fixed in 2.8.1 (released Mar 4, 2026, 2 days before disclosure), 3.3.3 (released Mar 4, 2026, 2 days before disclosure) and 4.0.1 (released Mar 4, 2026, 2 days before disclosure).
- The latest release, 4.1.0, is not affected.
- 28% of svgo downloads last week were affected versions (15.9M).

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