Dashboard / CVE-2026-78208

CVE-2026-78208

HIGH
MEDIUM Priority: 0.04 BB Relevance: 78/100
Published: 2026-08-24 Modified: 2026-11-08 First seen: 2026-11-08 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
AT: None
VC: High
VI: None
VA: None

Description

exceljs through 4.4.0 contains a path traversal vulnerability in the Workbook.addImage() function that fails to validate file paths. Attackers can supply arbitrary file paths to read any file accessible to the Node.js process and embed it in the generated workbook.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
exceljs exceljs 0

References & Advisories (5)

Bug Bounty Relevance

78 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.7 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.51%
Raw Score 0.005080
Percentile 44.0%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00508
2026-11-12
0.00508
2026-11-10
0.00508
2026-11-09
0.00508
2026-11-08
0.00508

Intelligence Sources

mitre ref →

External Links