CVE-2026-34783

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Source
https://cve.org/CVERecord?id=CVE-2026-34783
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34783.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-34783
Aliases
Published
2026-04-06T16:04:24.959Z
Modified
2026-07-08T08:12:53.820573609Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H CVSS Calculator
Summary
Ferret has a Path Traversal in IO::FS::WRITE allows arbitrary file write when scraping malicious websites
Details

Ferret is a declarative system for working with web data. Prior to 2.0.0-alpha.4, a path traversal vulnerability in Ferret's IO::FS::WRITE standard library function allows a malicious website to write arbitrary files to the filesystem of the machine running Ferret. When an operator scrapes a website that returns filenames containing ../ sequences, and uses those filenames to construct output paths (a standard scraping pattern), the attacker controls both the destination path and the file content. This can lead to remote code execution via cron jobs, SSH authorized_keys, shell profiles, or web shells. This vulnerability is fixed in 2.0.0-alpha.4.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-22",
        "CWE-73"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34783.json"
}
References

Affected packages

Git / github.com/montferret/ferret

Affected ranges

Type
GIT
Repo
https://github.com/montferret/ferret
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
160ebad6bd50f153453e120f6d909f5b83322917
Database specific 
{
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.0.0-alpha.4"
        }
    ]
}

Affected versions

0.*
0.1.0
v0.*
v0.10.0
v0.10.1
v0.10.2
v0.11.0
v0.11.1
v0.12.0
v0.12.1
v0.13.0
v0.14.0
v0.14.1
v0.15.0
v0.16.0
v0.16.0-rc.1
v0.16.0-rc.2
v0.16.0-rc.3
v0.16.0-rc.4
v0.16.0-rc.5
v0.16.0-rc.6
v0.16.0-rc.7
v0.16.1
v0.16.2
v0.16.3
v0.16.4
v0.16.5
v0.16.6
v0.16.7
v0.17.0
v0.18.0
v0.2.0
v0.3.0
v0.4.0
v0.5.0
v0.5.2
v0.6.0
v0.7.0
v0.8.0
v0.8.1
v0.8.2
v0.9.0
v2.*
v2.0.0-alpha.1
v2.0.0-alpha.2
v2.0.0-alpha.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34783.json"