CVE Explorer

CVE-2026-40343

free5GC UDR is the user data repository (UDR) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. In versions up to and including 1.4.2, a fail-open request handling flaw in the UDR service causes the `/nudr-dr/v2/policy-data/subs-to-notify` POST handler to continue processing requests even after request body retrieval or deserialization errors. This may allow unintended creation of Policy Data notification subscriptions with invalid, empty, or partially processe

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b3f2923a1c8d886c3d177bc326105d3a5ce6e16a9a9928ad6fada1e165b5a3ca

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"udr","vendor":"free5gc","versions":[{"status":"affected","version":"<= 1.4.2"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5e1cb69ed0f1bbe04ee3d5f183874c5c908ee39966da37571dea44219dac2ef2 · sha256:96fb9777728e9a71… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"LOW","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:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:5e1cb69ed0f1bbe04ee3d5f183874c5c908ee39966da37571dea44219dac2ef2 · sha256:96fb9777728e9a71… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-754","description":"CWE-754: Improper Check for Unusual or Exceptional Conditions","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:5e1cb69ed0f1bbe04ee3d5f183874c5c908ee39966da37571dea44219dac2ef2 · sha256:96fb9777728e9a71… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/free5gc/free5gc/security/advisories/GHSA-jwch-w7wh-gqjm","tags":["x_refsource_CONFIRM"],"url":"https://github.com/free5gc/free5gc/security/advisories/GHSA-jwch-w7wh-gqjm"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5e1cb69ed0f1bbe04ee3d5f183874c5c908ee39966da37571dea44219dac2ef2 · sha256:96fb9777728e9a71… · /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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