CVE-2026-2035

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Source

https://cve.org/CVERecord?id=CVE-2026-2035

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2035.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-2035

Published

2026-02-20T22:13:02.904Z

Modified

2026-08-12T03:51:31.843426220Z

Severity

6.8 (Medium) CVSS_V3 - CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

Deciso OPNsense diag_backup.php filename Command Injection Remote Code Execution Vulnerability

Details

Deciso OPNsense diag_backup.php filename Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability.

The specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28131.

Database specific

{
    "cna_assigner": "zdi",
    "cwe_ids": [
        "CWE-78"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2035.json"
}

References

Affected packages

Git / github.com/opnsense/core

Affected ranges

Type

GIT

Repo

https://github.com/opnsense/core

Events

Introduced

86307df35e3ef63f97aa3a5c395435d0899092c7

Fixed

cb15c935137d05c86a1e6cf12af877e9c32a23af

Database specific

Show details

{
    "extracted_events": [
        {
            "introduced": "25.7"
        },
        {
            "last_affected": "25.7"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Affected versions

25.*

25.7

25.7.r

26.*

26.1.a

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2035.json"