CVE-2026-59948
- Source
- https://cve.org/CVERecord?id=CVE-2026-59948
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59948.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-59948
- Aliases
- Downstream
CLEANSTART (1)
DEBIAN (1)
openSUSE (2)
SUSE (5)
UBUNTU (1)
- Related
- Published
- 2026-07-08T19:33:48Z
- Modified
- 2026-10-28T02:31:04Z
- Severity
-
- 7.0 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- Composer: Arbitrary file write outside vendor via malicious transitive package name
- Details
-
Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, a maliciously crafted package from an untrusted repository other than Packagist.org or Private Packagist can cause Composer to write attacker-controlled files outside the vendor directory and outside the project during install or update by using an invalid package name that is not correctly validated before dependency-resolution results are written or installed. This issue is fixed in versions 2.2.29 and 2.10.2.
- Database specific
{ "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-22", "CWE-787" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59948.json" }- References
-
- https://github.com/composer/composer/releases/tag/2.10.2
- https://github.com/composer/composer/releases/tag/2.2.29
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59948.json
- https://github.com/composer/composer/security/advisories/GHSA-499r-g7pc-vmp9
- https://nvd.nist.gov/vuln/detail/CVE-2026-59948
- https://github.com/composer/composer/commit/502c6c4f699802d9cf464728b3e8a95674f919a0
- https://github.com/composer/composer/commit/c50b1efd13ebd73f6dca19b31424c5a02bf93cc1
Affected packages
Git / github.com/composer/composer
Affected ranges
- Type
- GIT
- Repo
- https://github.com/composer/composer
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "1.0" }, { "fixed": "2.2.29" } ], "source": "AFFECTED_FIELD", "strategy": "StringRangeExpression" }, { "range": [ { "introduced": "2.3.0" }, { "fixed": "2.10.2" } ], "source": "AFFECTED_FIELD", "strategy": "StringRangeExpression" }, { "range": [ { "fixed": "502c6c4f699802d9cf464728b3e8a95674f919a0" } ], "source": "REFERENCES_COMMIT" }, { "range": [ { "fixed": "c50b1efd13ebd73f6dca19b31424c5a02bf93cc1" } ], "source": "REFERENCES_COMMIT" }, { "original_tag": "2.10.2", "range": [ { "fixed": "8d4439f572a97670a9edc039eb3b093cc976b4bc" } ], "source": "REFERENCES_TAG" }, { "original_tag": "2.2.29", "range": [ { "fixed": "ccbe57917efe30262ce80463fc4a6182c5ac29ed" } ], "source": "REFERENCES_TAG" } ] }
Affected versions
2.*
2.10.0
2.10.0-RC1
2.10.0-RC2
2.10.1
2.3.0
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
2.4.0
2.4.0-RC1
2.4.1
2.5.0
2.5.1
2.5.2
2.6.0
2.6.1
2.6.2
2.6.3
2.6.4
2.6.5
2.7.0
2.7.1
2.7.2
2.7.3
2.7.4
2.7.5
2.7.6
2.7.7
2.7.8
2.7.9
2.8.0
2.8.1
2.8.2
2.8.3
2.8.4
2.8.5
2.8.6
2.8.7
2.8.8
2.8.9
2.9.0
2.9.0-RC1
2.9.1
2.9.2
2.9.3
2.9.4
2.9.5