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CVE-2026-45756

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 7.3.0-BETA1 until 7.4.12 and 8.0.12, the JsonPath component compiles attacker-controlled match() and search() filter patterns directly into preg_match() without a length cap, i-regexp restriction, or bounded backtracking, allowing catastrophic-backtracking expressions to pin worker CPU and cause denial of service. This issue is fixed in versions 7.4.12 and 8.0.12.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0c90f6d66e3bab29a83738f8fbd1ec382b9c27cfaca9bca602fe9e35dc77dc2b
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":"symfony","vendor":"symfony","versions":[{"status":"affected","version":">= 7.3.0-BETA1, < 7.4.12"},{"status":"affected","version":">= 8.0.0-BETA1, < 8.0.12"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:11f16f117c656d672fa3509854e4a08546f60a39b47913c6e9d24a094dd780ca · sha256:7f0ec2f6dddcbc90… · /containers/cna/affected/0

{"product":"json-path","vendor":"symfony","versions":[{"status":"affected","version":">= 7.3.0-BETA1, < 7.4.12"},{"status":"affected","version":">= 8.0.0-BETA1, < 8.0.12"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:11f16f117c656d672fa3509854e4a08546f60a39b47913c6e9d24a094dd780ca · sha256:7f0ec2f6dddcbc90… · /containers/cna/affected/1
cwe · 2 assertions

{"cweId":"CWE-1333","description":"CWE-1333: Inefficient Regular Expression Complexity","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:11f16f117c656d672fa3509854e4a08546f60a39b47913c6e9d24a094dd780ca · sha256:7f0ec2f6dddcbc90… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:11f16f117c656d672fa3509854e4a08546f60a39b47913c6e9d24a094dd780ca · sha256:7f0ec2f6dddcbc90… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

2 source assertions
{"product":"symfony","vendor":"symfony","versions":[{"status":"affected","version":">= 7.3.0-BETA1, < 7.4.12"},{"status":"affected","version":">= 8.0.0-BETA1, < 8.0.12"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:11f16f117c656d672fa3509854e4a08546f60a39b47913c6e9d24a094dd780ca · sha256:7f0ec2f6dddcbc90… · /containers/cna/affected/0
{"product":"json-path","vendor":"symfony","versions":[{"status":"affected","version":">= 7.3.0-BETA1, < 7.4.12"},{"status":"affected","version":">= 8.0.0-BETA1, < 8.0.12"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:11f16f117c656d672fa3509854e4a08546f60a39b47913c6e9d24a094dd780ca · sha256:7f0ec2f6dddcbc90… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.2,"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:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:11f16f117c656d672fa3509854e4a08546f60a39b47913c6e9d24a094dd780ca · sha256:7f0ec2f6dddcbc90… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-1333","description":"CWE-1333: Inefficient Regular Expression Complexity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:11f16f117c656d672fa3509854e4a08546f60a39b47913c6e9d24a094dd780ca · sha256:7f0ec2f6dddcbc90… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:11f16f117c656d672fa3509854e4a08546f60a39b47913c6e9d24a094dd780ca · sha256:7f0ec2f6dddcbc90… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/symfony/symfony/commit/1ac2d47418ec23066112db1e6ca35be6fe123d14","tags":["x_refsource_MISC"],"url":"https://github.com/symfony/symfony/commit/1ac2d47418ec23066112db1e6ca35be6fe123d14"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:11f16f117c656d672fa3509854e4a08546f60a39b47913c6e9d24a094dd780ca · sha256:7f0ec2f6dddcbc90… · /containers/cna/references/1
{"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:v2:11f16f117c656d672fa3509854e4a08546f60a39b47913c6e9d24a094dd780ca · sha256:7f0ec2f6dddcbc90… · /containers/cna/references/2
{"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:v2:11f16f117c656d672fa3509854e4a08546f60a39b47913c6e9d24a094dd780ca · sha256:7f0ec2f6dddcbc90… · /containers/cna/references/3
{"name":"https://github.com/symfony/symfony/security/advisories/GHSA-8v8v-g73j-492j","tags":["x_refsource_CONFIRM"],"url":"https://github.com/symfony/symfony/security/advisories/GHSA-8v8v-g73j-492j"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:11f16f117c656d672fa3509854e4a08546f60a39b47913c6e9d24a094dd780ca · sha256:7f0ec2f6dddcbc90… · /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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