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CVE-2026-47767

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 5.4.46 until 5.4.52, 6.4.40, 7.4.12, and 8.0.12, the CVE-2024-50340 fix gated runtime argv parsing on empty($_GET), but parse_str() and the web SAPI can disagree, allowing a crafted query string to leave $_GET empty while $_SERVER['argv'] still carries attacker-controlled --env or --no-debug flags that change APP_ENV or APP_DEBUG. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e1c2ddb040403e2fa08a3db1e1123d468afbd3d272a5472d9a88ff852d517e78
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"symfony","vendor":"symfony","versions":[{"status":"affected","version":">= 5.4.46, < 5.4.52"},{"status":"affected","version":">= 6.4.14, < 6.4.40"},{"status":"affected","version":">= 7.1.7, < 7.4.12"},{"status":"affected","version":">= 8.0.0-BETA1, < 8.0.12"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b6d06df064eb9f21d4e63e2f67e0c7e98b0cd9a77a9c7eb4e33d0159733814d4 · sha256:8fc6855eb3ae0d19… · /containers/cna/affected/0

{"product":"runtime","vendor":"symfony","versions":[{"status":"affected","version":">= 5.4.46, < 5.4.52"},{"status":"affected","version":">= 6.4.14, < 6.4.40"},{"status":"affected","version":">= 7.1.7, < 7.4.12"},{"status":"affected","version":">= 8.0.0-BETA1, < 8.0.12"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b6d06df064eb9f21d4e63e2f67e0c7e98b0cd9a77a9c7eb4e33d0159733814d4 · sha256:8fc6855eb3ae0d19… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"product":"symfony","vendor":"symfony","versions":[{"status":"affected","version":">= 5.4.46, < 5.4.52"},{"status":"affected","version":">= 6.4.14, < 6.4.40"},{"status":"affected","version":">= 7.1.7, < 7.4.12"},{"status":"affected","version":">= 8.0.0-BETA1, < 8.0.12"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b6d06df064eb9f21d4e63e2f67e0c7e98b0cd9a77a9c7eb4e33d0159733814d4 · sha256:8fc6855eb3ae0d19… · /containers/cna/affected/0
{"product":"runtime","vendor":"symfony","versions":[{"status":"affected","version":">= 5.4.46, < 5.4.52"},{"status":"affected","version":">= 6.4.14, < 6.4.40"},{"status":"affected","version":">= 7.1.7, < 7.4.12"},{"status":"affected","version":">= 8.0.0-BETA1, < 8.0.12"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b6d06df064eb9f21d4e63e2f67e0c7e98b0cd9a77a9c7eb4e33d0159733814d4 · sha256:8fc6855eb3ae0d19… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.3,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b6d06df064eb9f21d4e63e2f67e0c7e98b0cd9a77a9c7eb4e33d0159733814d4 · sha256:8fc6855eb3ae0d19… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-436","description":"CWE-436: Interpretation Conflict","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b6d06df064eb9f21d4e63e2f67e0c7e98b0cd9a77a9c7eb4e33d0159733814d4 · sha256:8fc6855eb3ae0d19… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions
{"name":"https://github.com/symfony/symfony/commit/3228c3806ee511008bea19a95084d460b17e5d25","tags":["x_refsource_MISC"],"url":"https://github.com/symfony/symfony/commit/3228c3806ee511008bea19a95084d460b17e5d25"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b6d06df064eb9f21d4e63e2f67e0c7e98b0cd9a77a9c7eb4e33d0159733814d4 · sha256:8fc6855eb3ae0d19… · /containers/cna/references/1
{"name":"https://github.com/symfony/symfony/releases/tag/v5.4.52","tags":["x_refsource_MISC"],"url":"https://github.com/symfony/symfony/releases/tag/v5.4.52"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b6d06df064eb9f21d4e63e2f67e0c7e98b0cd9a77a9c7eb4e33d0159733814d4 · sha256:8fc6855eb3ae0d19… · /containers/cna/references/2
{"name":"https://github.com/symfony/symfony/releases/tag/v6.4.40","tags":["x_refsource_MISC"],"url":"https://github.com/symfony/symfony/releases/tag/v6.4.40"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b6d06df064eb9f21d4e63e2f67e0c7e98b0cd9a77a9c7eb4e33d0159733814d4 · sha256:8fc6855eb3ae0d19… · /containers/cna/references/3
{"name":"https://github.com/symfony/symfony/releases/tag/v7.4.12","tags":["x_refsource_MISC"],"url":"https://github.com/symfony/symfony/releases/tag/v7.4.12"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b6d06df064eb9f21d4e63e2f67e0c7e98b0cd9a77a9c7eb4e33d0159733814d4 · sha256:8fc6855eb3ae0d19… · /containers/cna/references/4
{"name":"https://github.com/symfony/symfony/releases/tag/v8.0.12","tags":["x_refsource_MISC"],"url":"https://github.com/symfony/symfony/releases/tag/v8.0.12"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b6d06df064eb9f21d4e63e2f67e0c7e98b0cd9a77a9c7eb4e33d0159733814d4 · sha256:8fc6855eb3ae0d19… · /containers/cna/references/5
{"name":"https://github.com/symfony/symfony/security/advisories/GHSA-fqc7-9xjw-jrh3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/symfony/symfony/security/advisories/GHSA-fqc7-9xjw-jrh3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b6d06df064eb9f21d4e63e2f67e0c7e98b0cd9a77a9c7eb4e33d0159733814d4 · sha256:8fc6855eb3ae0d19… · /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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