{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-16634",
        "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "state": "PUBLISHED",
        "assignerShortName": "CPANSec",
        "dateReserved": "2026-07-22T16:37:55.533Z",
        "datePublished": "2026-07-24T09:14:58.986Z",
        "dateUpdated": "2026-07-27T17:15:54.188Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://cpan.org/modules",
                    "defaultStatus": "unaffected",
                    "packageName": "TOML-XS",
                    "product": "TOML::XS",
                    "repo": "https://github.com/FGasper/p5-TOML-XS",
                    "vendor": "FELIPE",
                    "versions": [
                        {
                            "lessThan": "0.06",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "TOML::XS versions before 0.06 for Perl bundle an unsupported and vulnerable version of tomlc99.\n\nThe tomlc99 library is no longer maintained, and has an uncontrolled recursion vulnerability publicly reported in the issue tracker.\n\nAny caller that passes untrusted TOML to from_toml risks a stack overflow from a deeply-nested document.\n\nTOML::XS version 0.06 or later uses the successor tomlc17 library."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-1104",
                            "description": "CWE-1104 Use of Unmaintained Third Party Components",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-1395",
                            "description": "CWE-1395 Dependency on Vulnerable Third-Party Component",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
                "shortName": "CPANSec",
                "dateUpdated": "2026-07-24T09:14:58.986Z"
            },
            "references": [
                {
                    "tags": [
                        "release-notes"
                    ],
                    "url": "https://metacpan.org/release/FELIPE/TOML-XS-0.06/changes"
                },
                {
                    "url": "https://raw.githubusercontent.com/cktan/tomlc99/29076dfd095bbbbd50a3c1b2760d29f4b83e74ac/README.md"
                },
                {
                    "tags": [
                        "issue-tracking"
                    ],
                    "url": "https://github.com/cktan/tomlc99/issues/97"
                },
                {
                    "url": "https://github.com/cktan/tomlc17"
                },
                {
                    "tags": [
                        "technical-description"
                    ],
                    "url": "https://toml.io/en/v1.0.0"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Upgrade to TOML::XS version 0.06 or later."
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "timeline": [
                {
                    "lang": "en",
                    "time": "2021-08-12T00:00:00.000Z",
                    "value": "Version 0.05 released."
                },
                {
                    "lang": "en",
                    "time": "2025-05-02T00:00:00.000Z",
                    "value": "The README for tomlc99 was updated to say that it was obsolete."
                },
                {
                    "lang": "en",
                    "time": "2026-03-07T00:00:00.000Z",
                    "value": "Vulnerability posted to tomlc99 issue tracker."
                },
                {
                    "lang": "en",
                    "time": "2026-07-24T00:00:00.000Z",
                    "value": "Version 0.06 released."
                }
            ],
            "title": "TOML::XS versions before 0.06 for Perl bundle an unsupported and vulnerable version of tomlc99",
            "workarounds": [
                {
                    "lang": "en",
                    "value": "Only parse trusted TOML files."
                }
            ],
            "x_generator": {
                "engine": "cpansec-cna-tool 0.1"
            }
        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2026/07/24/4"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2026-07-24T13:32:08.478Z"
                }
            },
            {
                "references": [
                    {
                        "url": "https://github.com/cktan/tomlc99/issues/97",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 9.8,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-27T17:15:36.719810Z",
                                "id": "CVE-2026-16634",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-07-27T17:15:54.188Z"
                }
            }
        ]
    }
}