# vega (npm) vulnerabilities

7 known vulnerabilities (2 high, 5 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 6.4.0 (Aug 14, 2026): no advisory affects it
- Newest unaffected release: 6.4.0 (Aug 14, 2026), the latest release
- Weekly downloads: 1.8M
- Dependents: 152
- Releases: 193 since 1.0.0 (Apr 2, 2013)
- Registry: https://www.npmjs.com/package/vega
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2025-59840: 1.0.0 to 6.1.2 (6.2.0 is outside it)
- CVE-2025-27793: 1.0.0 to 5.31.0 (5.32.0 is outside it)
- CVE-2025-26619: 1.0.0 to 5.30.0 (5.31.0 is outside it)
- CVE-2025-25304: 1.0.0 to 5.25.0 (5.26.0 is outside it)
- CVE-2023-26486: 1.0.0 to 5.22.1 (5.23.0 is outside it)
- CVE-2023-26487: 1.0.0 to 5.22.1 (5.23.0 is outside it)
- CVE-2020-26296: 1.0.0 to 5.17.2 (5.17.3 is outside it)

## Advisories (7)

### [CVE-2025-59840](https://cve.now/CVE-2025-59840): Vega Cross-Site Scripting (XSS) via expressions abusing toString calls in environments using the VEGA\_DEBUG global variable

- Severity: High 8.1
- Published: Nov 13, 2025
- Affected: fixed in 6.2.0.
- Fixed in 6.2.0 (released Sep 16, 2025, 58 days before disclosure).
- The latest release, 6.4.0, is not affected.
- 23% of vega downloads last week were affected versions (490.4K).

### [CVE-2025-27793](https://cve.now/CVE-2025-27793): Vega vulnerable to Cross-site Scripting via RegExp.prototype\[@@replace\]

- Severity: Medium 5.3
- Published: Mar 27, 2025
- Affected: fixed in 5.32.0.
- Fixed in 5.32.0 (released Feb 25, 2025, 30 days before disclosure).
- The latest release, 6.4.0, is not affected.
- 5.3% of vega downloads last week were affected versions (112.7K).

### [CVE-2025-26619](https://cve.now/CVE-2025-26619): Vega Cross-Site Scripting (XSS) via event filter when not using CSP mode \`expressionInterpeter\`

- Severity: Medium 5.3
- Published: Mar 27, 2025
- Affected: fixed in 5.31.0.
- Fixed in 5.31.0 (released Jan 24, 2025, 62 days before disclosure).
- The latest release, 6.4.0, is not affected.
- 5.2% of vega downloads last week were affected versions (110.2K).

### [CVE-2025-25304](https://cve.now/CVE-2025-25304): Vega allows Cross-site Scripting via the vlSelectionTuples function

- Severity: Medium 6.9
- Published: Feb 14, 2025
- Affected: fixed in 5.26.0.
- Fixed in 5.26.0 (released Nov 7, 2023, 465 days before disclosure).
- The latest release, 6.4.0, is not affected.
- 3.3% of vega downloads last week were affected versions (69.3K).

### [CVE-2023-26486](https://cve.now/CVE-2023-26486): Vega \`scale\` expression function cross site scripting

- Severity: Medium 6.5
- Published: Mar 3, 2023
- Affected: fixed in 5.23.0.
- Fixed in 5.23.0 (released Mar 1, 2023, 2 days before disclosure).
- The latest release, 6.4.0, is not affected.
- 1.4% of vega downloads last week were affected versions (29.9K).

### [CVE-2023-26487](https://cve.now/CVE-2023-26487): Vega has cross-site scripting vulnerability in \`lassoAppend\` function

- Severity: Medium 6.5
- Published: Mar 3, 2023
- Affected: fixed in 5.23.0.
- Fixed in 5.23.0 (released Mar 1, 2023, 2 days before disclosure).
- The latest release, 6.4.0, is not affected.
- 1.4% of vega downloads last week were affected versions (29.9K).

### [CVE-2020-26296](https://cve.now/CVE-2020-26296): XSS in Vega

- Severity: High 8.7
- Published: Dec 30, 2020
- Affected: fixed in 5.17.3.
- Fixed in 5.17.3 (released Dec 23, 2020, 7 days before disclosure).
- The latest release, 6.4.0, is not affected.
- 0.5% of vega downloads last week were affected versions (11.2K).

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/npm/vega
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.