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CVE-2026-41136

free5GC AMF provides Access & Mobility Management Function (AMF) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. Prior to version 1.4.3, the `HTTPUEContextTransfer` handler in `internal/sbi/api_communication.go` does not include a `default` case in the `Content-Type` switch statement. When a request arrives with an unsupported `Content-Type`, the deserialization step is silently skipped, `err` remains `nil`, and the processor is invoked with a completely unin
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:813d6c79c2287cb2984283caaf80731593c90a266d8285853e0f5624d3f2aed3
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"amf","vendor":"free5gc","versions":[{"status":"affected","version":"< 1.4.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4555ddf2cbc4d9b8a2dd23da9afa26196d622e2c1b1a893073e3df6030042d8a · sha256:01300a0723502e57… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.5,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4555ddf2cbc4d9b8a2dd23da9afa26196d622e2c1b1a893073e3df6030042d8a · sha256:01300a0723502e57… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-440","description":"CWE-440: Expected Behavior Violation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4555ddf2cbc4d9b8a2dd23da9afa26196d622e2c1b1a893073e3df6030042d8a · sha256:01300a0723502e57… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/free5gc/amf/releases/tag/v1.4.3","tags":["x_refsource_MISC"],"url":"https://github.com/free5gc/amf/releases/tag/v1.4.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4555ddf2cbc4d9b8a2dd23da9afa26196d622e2c1b1a893073e3df6030042d8a · sha256:01300a0723502e57… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/free5gc/free5gc/security/advisories/GHSA-r99v-75p9-xqm5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4555ddf2cbc4d9b8a2dd23da9afa26196d622e2c1b1a893073e3df6030042d8a · sha256:01300a0723502e57… · /containers/adp/0/references/0
{"name":"https://github.com/free5gc/free5gc/security/advisories/GHSA-r99v-75p9-xqm5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/free5gc/free5gc/security/advisories/GHSA-r99v-75p9-xqm5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4555ddf2cbc4d9b8a2dd23da9afa26196d622e2c1b1a893073e3df6030042d8a · sha256:01300a0723502e57… · /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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