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CVE-2026-59947

Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, when Composer is run with -vvv debug verbosity, it could print a credential embedded in the username slot of a repository or package URL, such as a GitHub Personal Access Token in https://TOKEN@host/, to debug output because AuthHelper, Url::sanitize, and ProcessExecutor did not sanitize username-only URL credentials. This issue is fixed in versions 2.2.29 and 2.10.2.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:dd62947d9e005250dcdca959ab4f37f6de449717e5d67ecc9fe4654fc66a7f5e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"composer","vendor":"composer","versions":[{"status":"affected","version":">= 1.0, < 2.2.29"},{"status":"affected","version":">= 2.3.0, < 2.10.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b1062effebe2d48e5332356e1ea2b956a48bea12db847d1d3f0ce8dbc726fcb7 · sha256:4d0249475d377bdd… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b1062effebe2d48e5332356e1ea2b956a48bea12db847d1d3f0ce8dbc726fcb7 · sha256:4d0249475d377bdd… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-532","description":"CWE-532: Insertion of Sensitive Information into Log File","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b1062effebe2d48e5332356e1ea2b956a48bea12db847d1d3f0ce8dbc726fcb7 · sha256:4d0249475d377bdd… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/composer/composer/commit/6bd66874ae523ecb69aca5964487a0cdfda03ef8","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/commit/6bd66874ae523ecb69aca5964487a0cdfda03ef8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b1062effebe2d48e5332356e1ea2b956a48bea12db847d1d3f0ce8dbc726fcb7 · sha256:4d0249475d377bdd… · /containers/cna/references/1
{"name":"https://github.com/composer/composer/commit/8887ad76fbd830cb1861a2b1fd8ead78ed1fa1ec","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/commit/8887ad76fbd830cb1861a2b1fd8ead78ed1fa1ec"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b1062effebe2d48e5332356e1ea2b956a48bea12db847d1d3f0ce8dbc726fcb7 · sha256:4d0249475d377bdd… · /containers/cna/references/2
{"name":"https://github.com/composer/composer/releases/tag/2.10.2","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/releases/tag/2.10.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b1062effebe2d48e5332356e1ea2b956a48bea12db847d1d3f0ce8dbc726fcb7 · sha256:4d0249475d377bdd… · /containers/cna/references/3
{"name":"https://github.com/composer/composer/releases/tag/2.2.29","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/releases/tag/2.2.29"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b1062effebe2d48e5332356e1ea2b956a48bea12db847d1d3f0ce8dbc726fcb7 · sha256:4d0249475d377bdd… · /containers/cna/references/4
{"name":"https://github.com/composer/composer/security/advisories/GHSA-g6xq-892h-64w3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/composer/composer/security/advisories/GHSA-g6xq-892h-64w3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b1062effebe2d48e5332356e1ea2b956a48bea12db847d1d3f0ce8dbc726fcb7 · sha256:4d0249475d377bdd… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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