CVE-2026-78208

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Source
https://cve.org/CVERecord?id=CVE-2026-78208
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-78208.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-78208
Aliases
  • GHSA-m8mg-8574-gm3m
Published
2026-08-24T00:30:47.795Z
Modified
2026-08-30T03:48:21.739863504Z
Severity
  • 8.7 (High) CVSS_V4 - 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 CVSS Calculator
Summary
exceljs through 4.4.0 Path Traversal via Unvalidated addImage filename
Details

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.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78208.json",
    "cwe_ids": [
        "CWE-73"
    ],
    "cna_assigner": "VulnCheck"
}
References

Affected packages

Git / github.com/exceljs/exceljs

Affected ranges

Type
GIT
Repo
https://github.com/exceljs/exceljs
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
ac96f9a61e9799c7776bd940f05c4a51d7200209
Database specific
Show details 
{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "4.4.0"
        }
    ]
}
Type
GIT
Repo
https://github.com/mateocallec/exceljs-hardened
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
37149551343c6305aa8aca4f43567c1091102287
Database specific
Show details 
{
    "source": "DESCRIPTION",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "5.0.0"
        }
    ]
}

Affected versions

0.*
0.0.1
0.0.2
0.0.3
0.0.4
0.0.5
0.0.6
0.0.7
0.0.8
0.0.9
0.1.0
0.1.1
0.1.10
0.1.11
0.1.2
0.1.3
0.1.4
0.1.5
0.1.6
0.1.7
0.1.8
0.1.9
0.2.0
0.2.1
0.2.10
0.2.11
0.2.12
0.2.15
0.2.16
0.2.17
0.2.18
0.2.19
0.2.2
0.2.20
0.2.21
0.2.22
0.2.23
0.2.24
0.2.26
0.2.27
0.2.28
0.2.29
0.2.3
0.2.30
0.2.31
0.2.33
0.2.34
0.2.35
0.2.36
0.2.8
v0.*
v0.0.1
v0.0.2
v0.0.3
v0.0.4
v0.0.5
v0.0.6
v0.0.7
v0.0.8
v0.0.9
v0.1.0
v0.1.1
v0.1.10
v0.1.11
v0.1.2
v0.1.3
v0.1.4
v0.1.5
v0.1.6
v0.1.7
v0.1.8
v0.1.9
v0.2.0
v0.2.1
v0.2.10
v0.2.11
v0.2.12
v0.2.15
v0.2.16
v0.2.17
v0.2.18
v0.2.19
v0.2.2
v0.2.20
v0.2.21
v0.2.22
v0.2.23
v0.2.24
v0.2.26
v0.2.27
v0.2.28
v0.2.29
v0.2.3
v0.2.30
v0.2.31
v0.2.33
v0.2.34
v0.2.35
v0.2.36
v0.2.8
v0.4.10
v0.4.11
v0.4.12
v0.4.13
v0.4.14
v0.4.9
v0.5.0
v0.5.1
v0.6.0
v0.6.2
v0.7.0
v0.7.1
v0.8.0
v0.8.1
v0.8.2
v0.8.3
v0.8.4
v0.8.5
v0.9.0
v0.9.1
v1.*
v1.0.0
v1.0.1
v1.0.2
v1.1.0
v1.1.1
v1.1.2
v1.1.3
v1.10.0
v1.11.0
v1.12.0
v1.12.1
v1.12.2
v1.13.0
v1.14.0
v1.15.0
v1.2.0
v1.2.1
v1.3.0
v1.4.0
v1.4.1
v1.4.10
v1.4.11
v1.4.12
v1.4.13
v1.4.2
v1.4.3
v1.4.4
v1.4.5
v1.4.6
v1.4.7
v1.4.8
v1.4.9
v1.5.0
v1.5.1
v1.6.0
v1.6.1
v1.6.2
v1.6.3
v1.7.0
v1.8.0
v1.9.0
v1.9.1
v2.*
v2.0.0
v2.0.1
v3.*
v3.0.0
v3.1.0
v3.10.0
v3.2.0
v3.3.0
v3.3.1
v3.4.0
v3.5.0
v3.7.0
v3.8.0
v3.8.1
v3.8.2
v3.9.0
v4.*
v4.0.0
v4.0.1
v4.1.0
v4.1.1
v4.2.0
v4.2.1
v4.3.0
v4.4.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-78208.json"