CVE-2026-95806

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Source

https://cve.org/CVERecord?id=CVE-2026-95806

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-95806.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-95806

Published

2026-09-22T15:09:09Z

Modified

2026-09-24T03:46:47Z

Severity

7.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator

Summary

MISP: PHP phar stream wrapper enables deserialization and code execution via caller-influenced filesystem paths

Details

MISP ships with PHP's phar stream wrapper registered in both its web entry point and its console entry point.

The phar stream wrapper causes PHP to treat a phar archive as a directory, which has two security consequences:

- any filesystem operation on a caller-influenced path that resolves to a phar archive triggers an implicit unserialize() call, creating a deserialization sink; - a relocated application root can reach executable code inside an uploaded phar file, enabling arbitrary code execution as the web user.

No component of MISP, the vendored CakePHP framework, or any runtime-loaded library reads or constructs phar archives. The wrapper therefore serves no legitimate purpose in the MISP runtime and exists solely as an available primitive for an attacker who can influence a filesystem path argument.

Database specific

{
    "cna_assigner":  "CIRCL",
    "cwe_ids":  [
        "CWE-502",
        "CWE-74"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/95xxx/CVE-2026-95806.json"
}

References

Affected packages

Git / github.com/misp/misp

Affected ranges

Type

GIT

Repo

https://github.com/misp/misp

Events

Introduced

Fixed

08fa755b6

Database specific

Show details

{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "2.5.47"
        }
    ],
    "source":  [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-95806.json"