CVE-2026-90774

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-90774
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90774.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-90774
Published
2026-09-13T10:45:44Z
Modified
2026-09-16T03:30:35Z
Severity
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
rustypaste before 0.18.1 Path Traversal via filename header
Details

rustypaste before 0.18.1 validates the destination path before applying the optional custom filename HTTP header, allowing attackers to bypass directory-escape checks. Attackers can supply path traversal sequences in the filename header to write files outside the configured upload directory to arbitrary locations.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-22"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90774.json"
}
References

Affected packages

Git / github.com/orhun/rustypaste

Affected ranges

Type
GIT
Repo
https://github.com/orhun/rustypaste
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
71d0b5d001fb2ec041d95ca75b4eff18293e9f10
Fixed
ac05d552596af4a8429d80f30d11f67117ce02c8
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.18.1"
        }
    ],
    "source": [
        "DESCRIPTION",
        "REFERENCES"
    ]
}

Affected versions

v0.*
v0.1.0
v0.1.1
v0.1.2
v0.1.3
v0.10.0
v0.10.1
v0.11.0
v0.11.1
v0.12.0
v0.12.1
v0.13.0
v0.14.0
v0.14.1
v0.14.2
v0.14.3
v0.14.4
v0.15.0
v0.15.1
v0.16.0
v0.16.1
v0.17.0
v0.18.0
v0.2.0
v0.3.0
v0.3.1
v0.4.0
v0.4.1
v0.5.0
v0.6.0
v0.6.1
v0.6.2
v0.6.3
v0.6.4
v0.6.5
v0.7.0
v0.7.1
v0.8.0
v0.8.1
v0.8.2
v0.8.3
v0.8.4
v0.9.0
v0.9.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90774.json"