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CVE-2026-40261

Composer is a dependency manager for PHP. Versions 1.0 through 2.2.26 and 2.3 through 2.9.5 contain a command injection vulnerability in the Perforce::syncCodeBase() method, which appends the $sourceReference parameter to a shell command without proper escaping, and additionally in the Perforce::generateP4Command() method as in GHSA-wg36-wvj6-r67p / CVE-2026-40176, which interpolates user-supplied Perforce connection parameters (port, user, client) from the source url field without proper escapi
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:31fa8cb2d22e67ccde6b2c85165f003fe8bb82187648acc7342e61f5d96921a4
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"composer","vendor":"composer","versions":[{"status":"affected","version":">= 2.3.0, < 2.9.6"},{"status":"affected","version":">= 1.0.0, < 2.2.27"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:hummingbird:1"],"defaultStatus":"affected","packageName":"composer-main","product":"Red Hat Hardened Images","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"2.9.7-1.hum1","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/adp/1/affected/0
cwe · 3 assertions

{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-78","description":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/adp/1/problemTypes/0/descriptions/0

Affected products and versions

2 source assertions
{"product":"composer","vendor":"composer","versions":[{"status":"affected","version":">= 2.3.0, < 2.9.6"},{"status":"affected","version":">= 1.0.0, < 2.2.27"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:hummingbird:1"],"defaultStatus":"affected","packageName":"composer-main","product":"Red Hat Hardened Images","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"2.9.7-1.hum1","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/adp/1/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/adp/1/metrics/1/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-78","description":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/adp/1/problemTypes/0/descriptions/0

Source references

6 source assertions
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:8165"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/adp/1/references/3
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-40261"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/adp/1/references/0
{"name":"RHBZ#2458841","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2458841"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/adp/1/references/1
{"name":"https://github.com/composer/composer/releases/tag/2.9.6","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/releases/tag/2.9.6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/cna/references/1
{"name":"https://github.com/composer/composer/security/advisories/GHSA-gqw4-4w2p-838q","tags":["x_refsource_CONFIRM"],"url":"https://github.com/composer/composer/security/advisories/GHSA-gqw4-4w2p-838q"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/cna/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40261.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90d83cb89f17b0480c34dc32c4aca5f6d3f1447da7ecf0d59dc9c3298a9bf97a · sha256:8fc4d54d6fbe3214… · /containers/adp/1/references/2

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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