CVE-2026-45249: A cross-site scripting (XSS) vulnerability exists in Apache ECharts in the Lines series tooltip rendering logi

Q: How do I fix CVE-2026-45249?

echarts: upgrade to 6.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-45249 being exploited?

CVE-2026-45249 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-45249 affect?

CVE-2026-45249 affects echarts. Severity is medium (CVSS 6.1). A cross-site scripting (XSS) vulnerability exists in Apache ECharts in the Lines series tooltip rendering logic. This issue affects Apache ECharts: from before 6.1.0. In versions prior to 6.1.0, if both Lines series and tooltip are use

Q: How urgent is CVE-2026-45249?

Priority 40/100. On your watchlist

This month

MEDIUM 6.1WATCHLISTUPGRADE

CVE-2026-45249 is a medium-severity flaw (CVSS 6.1) affecting echarts. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A cross-site scripting (XSS) vulnerability exists in Apache ECharts in the Lines series tooltip rendering logic. This issue affects Apache ECharts: from before 6.1.0. In versions prior to 6.1.0, if both Lines series and tooltip are used, and no user-specified tooltip.formatter is provided, and series.data[i].name is specified, raw HTML string series.data[i].name can be rendered through innerHTML sink into tooltip content. Although tooltip is

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 45%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-05-25
Last modified	2026-07-23

Publisher (CNA): Apache Software Foundation · Vendor: apache

Last updated 2026-07-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-25 08:16 UTCPublished CVE record published
2026-07-23 17:10 UTCUpdated Record last modified

apache echarts UPGRADE

Affected: < 6.1.0

Fixed in: 6.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy echarts || rpm -q echarts || echarts --version

2. UPGRADE to 6.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade echarts

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade echarts

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-45249?

echarts: upgrade to 6.1.0. Exact commands for each OS are on this page.

Is CVE-2026-45249 being exploited?

CVE-2026-45249 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-45249 affect?

CVE-2026-45249 affects echarts. Severity is medium (CVSS 6.1). A cross-site scripting (XSS) vulnerability exists in Apache ECharts in the Lines series tooltip rendering logic. This issue affects Apache ECharts: from before 6.1.0. In versions prior to 6.1.0, if both Lines series and tooltip are use

How urgent is CVE-2026-45249?

Priority 40/100. On your watchlist

References

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