CVE-2026-79781

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Source
https://cve.org/CVERecord?id=CVE-2026-79781
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-79781.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-79781
Aliases
Downstream
Published
2026-08-25T15:16:10.471Z
Modified
2026-08-27T11:47:48.954700220Z
Severity
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
rclone serve s3 Path Traversal via dot-dot object keys
Details

rclone serve s3 before 1.74.4 contains a path traversal vulnerability that allows attackers to read and overwrite root-level files by using dot-dot segments in S3 object keys. Attackers can send requests with object keys like ../root-secret.txt to escape the bucket namespace and access files in the serve root directory.

Database specific 
{
    "cwe_ids": [
        "CWE-22"
    ],
    "cna_assigner": "VulnCheck",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79781.json"
}
References

Affected packages

Git / github.com/rclone/rclone

Affected ranges

Type
GIT
Repo
https://github.com/rclone/rclone
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
5bc93a2a7ab0ebd0a11352bc4968eabeffb18027
Database specific
Show details 
{
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.74.4"
        },
        {
            "introduced": "s3"
        }
    ]
}

Affected versions

v0.*
v0.90
v0.91
v0.92
v0.93
v0.94
v0.95
v0.96
v0.97
v0.98
v0.99
v1.*
v1.00
v1.01
v1.03
v1.04
v1.05
v1.06
v1.07
v1.08
v1.09
v1.10
v1.11
v1.12
v1.13
v1.14
v1.15
v1.16
v1.17
v1.18
v1.19
v1.20
v1.21
v1.22
v1.23
v1.24
v1.25
v1.26
v1.27
v1.28
v1.29
v1.29-1-gbb75d80
v1.30
v1.31
v1.32
v1.33
v1.34
v1.35
v1.36
v1.37
v1.38
v1.39
v1.40
v1.41
v1.42
v1.43
v1.44
v1.45
v1.46
v1.46.0
v1.47.0
v1.48.0
v1.49.0
v1.50.0
v1.51.0
v1.52.0
v1.53.0
v1.54.0
v1.55.0
v1.56.0
v1.57.0
v1.58.0
v1.59.0
v1.60.0
v1.61.0
v1.62.0
v1.63.0
v1.64.0
v1.65.0
v1.66.0
v1.67.0
v1.68.0
v1.69.0
v1.70.0
v1.71.0
v1.72.0
v1.73.0
v1.74.0
v1.74.1
v1.74.2
v1.74.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-79781.json"