CVE-2026-45249
CyberVault Technical Summary
Analyst SynthesisTechnical analysis, exploit verification, and patch instructions for CVE-2026-45249 impacting apache echarts. Evaluated with CVSS Base Score of 6.1 (MEDIUM).
Original NVD Description
Source: NIST NVD๐ CVSS v3.1 Metric Breakdown
๐ฏ Affected Versions Matrix
| Affected Product | apache / echarts |
| Affected Versions | * |
| Weakness Enumeration | CWE-79 |
Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe
Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2026-45249 impacting apache echarts.
id: cve-2026-45249
info:
name: apache echarts - Security Advisory & Vulnerability Scan
author: cybervault-security-intel
severity: medium
description: |
Automated signature & scanner for CVE-2026-45249 affecting apache echarts.
Evaluation: A cross-site scripting (XSS) vulnerability exists in Apache ECharts in the Lines series tooltip rendering logic.
This issue affects Apache ECharts...
reference:
- https://cybervault-cve.pages.dev/cve/CVE-2026-45249
classification:
cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cvss-score: 6.1
cve-id: CVE-2026-45249
cwe-id: CWE-79
tags: cve,cve-2026-45249,apache,echarts,medium
http:
- method: GET
path:
- "{BaseURL}/"
- "{BaseURL}/api/"
matchers-condition: and
matchers:
- type: status
status:
- 200
- type: word
words:
- "echarts"
part: body
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-45249
# Target: apache echarts | CVSS: 6.1 (MEDIUM)
# Educational & Security Audit Purpose Only
import requests
import sys
def verify_vulnerability(target_url):
print(f"[*] Auditing {target_url} for CVE-2026-45249 (apache echarts)...")
headers = {
"User-Agent": "CyberVault-Audit-Scanner/2.0",
"Accept": "*/*"
}
try:
r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
if r.status_code < 500:
print(f"[!] Target reachable. Verify version against apache echarts scope (*).")
return True
except Exception as e:
print(f"[-] Connection Error: {e}")
return False
if __name__ == '__main__':
url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
verify_vulnerability(url)
# Recommended Remediation & Patching Commands for CVE-2026-45249
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install echarts 2>/dev/null || \
sudo dnf upgrade echarts 2>/dev/null || \
sudo yum update echarts
# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i echarts 2>/dev/null || rpm -qa | grep -i echarts
# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."
๐ก๏ธ Remediation & Security Action
- Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
- Verification: Inspect installed binary packages and package manager versions for affected component releases.
- Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
๐ Verified Technical References
- No records filed in this category.
- No records filed in this category.
- โ https://echarts.apache.org/en/option.html#series-lines
- โ https://echarts.apache.org/handbook/en/best-practices/security/#passing_raw_html_safely
- โ https://github.com/apache/echarts/pull/21608
- โ https://lists.apache.org/thread/1g6xk7gd9vg1c6zyqqt2lnko10zomc3o
- โ http://www.openwall.com/lists/oss-security/2026/05/23/4
โ Frequently Asked Questions (FAQ) & Remediation Guide
How do I fix CVE-2026-45249 in apache echarts?
Review vendor-specific security notices and update apache echarts packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.
Is there an active exploit or public PoC for CVE-2026-45249?
No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.
What is the CVSS 3.1 severity rating and impact for CVE-2026-45249?
CVE-2026-45249 is classified with a CVSS 3.1 Base Score of 6.1 (MEDIUM). Check the metric breakdown above for attack vector requirements.