CVE Explorer
CVE-2026-33065
Free5GC is an open-source Linux Foundation project for 5th generation (5G) mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request (from UDR) into a 500 Internal Server Error when handling DELETE requests with an empty supi path parameter. This leaks internal error handling behavior and makes it difficult for clients to distinguish between client-side errors and server-side failures. When a client sends a DELETE request with an empty supi (e.g.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"free5gc","vendor":"free5gc","versions":[{"status":"affected","version":"< 1.4.2"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:bdedba6b09dfa4a39e972b3c3be42c437be16f4eb1a8118da0ed36b127da5499 · sha256:dcf8e0b6964806ac… · /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":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:bdedba6b09dfa4a39e972b3c3be42c437be16f4eb1a8118da0ed36b127da5499 · sha256:dcf8e0b6964806ac… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-209","description":"CWE-209: Generation of Error Message Containing Sensitive Information","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:bdedba6b09dfa4a39e972b3c3be42c437be16f4eb1a8118da0ed36b127da5499 · sha256:dcf8e0b6964806ac… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/free5gc/free5gc/issues/783","tags":["x_refsource_MISC"],"url":"https://github.com/free5gc/free5gc/issues/783"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:bdedba6b09dfa4a39e972b3c3be42c437be16f4eb1a8118da0ed36b127da5499 · sha256:dcf8e0b6964806ac… · /containers/cna/references/1
{"name":"https://github.com/free5gc/free5gc/security/advisories/GHSA-958m-gxmc-mccm","tags":["x_refsource_CONFIRM"],"url":"https://github.com/free5gc/free5gc/security/advisories/GHSA-958m-gxmc-mccm"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:bdedba6b09dfa4a39e972b3c3be42c437be16f4eb1a8118da0ed36b127da5499 · sha256:dcf8e0b6964806ac… · /containers/cna/references/0
{"name":"https://github.com/free5gc/udm/commit/88de9fa74a1b3f3522e53b4cfa2d184712ffa4ee","tags":["x_refsource_MISC"],"url":"https://github.com/free5gc/udm/commit/88de9fa74a1b3f3522e53b4cfa2d184712ffa4ee"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:bdedba6b09dfa4a39e972b3c3be42c437be16f4eb1a8118da0ed36b127da5499 · sha256:dcf8e0b6964806ac… · /containers/cna/references/3
{"name":"https://github.com/free5gc/udm/pull/79","tags":["x_refsource_MISC"],"url":"https://github.com/free5gc/udm/pull/79"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:bdedba6b09dfa4a39e972b3c3be42c437be16f4eb1a8118da0ed36b127da5499 · sha256:dcf8e0b6964806ac… · /containers/cna/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.