CVE Explorer
CVE-2026-6328
Improper input validation, Improper verification of cryptographic signature vulnerability in XQUIC Project XQUIC xquic on Linux (QUIC protocol implementation, packet processing module, STREAM frame handler modules) allows Protocol Manipulation.This issue affects XQUIC: through 1.8.3.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1
Preserved source conflicts
No provider value was silently selected as the winner.
cwe · 2 assertions
{"cweId":"CWE-20","description":"CWE-20 Improper input validation","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:f5e29ef0abe1c5801d45a80d19bc48a85c8b80bd7b294b1feaa2cc275a3d7e48 · sha256:5191d21f4cecdf18… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-347","description":"CWE-347 Improper verification of cryptographic signature","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:f5e29ef0abe1c5801d45a80d19bc48a85c8b80bd7b294b1feaa2cc275a3d7e48 · sha256:5191d21f4cecdf18… · /containers/cna/problemTypes/1/descriptions/0
Affected products and versions
1 source assertion{"collectionURL":"https://github.com","defaultStatus":"unaffected","modules":["QUIC protocol implementation","packet processing module","STREAM frame handler"],"packageName":"xquic","platforms":["Linux"],"product":"XQUIC","repo":"https://github.com/alibaba/xquic","vendor":"XQUIC Project","versions":[{"changes":[{"at":"1.9.0","status":"unaffected"}],"lessThanOrEqual":"1.8.3","status":"affected","version":"0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:f5e29ef0abe1c5801d45a80d19bc48a85c8b80bd7b294b1feaa2cc275a3d7e48 · sha256:5191d21f4cecdf18… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.3,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:f5e29ef0abe1c5801d45a80d19bc48a85c8b80bd7b294b1feaa2cc275a3d7e48 · sha256:5191d21f4cecdf18… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
2 source assertions{"cweId":"CWE-20","description":"CWE-20 Improper input validation","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:f5e29ef0abe1c5801d45a80d19bc48a85c8b80bd7b294b1feaa2cc275a3d7e48 · sha256:5191d21f4cecdf18… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-347","description":"CWE-347 Improper verification of cryptographic signature","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:f5e29ef0abe1c5801d45a80d19bc48a85c8b80bd7b294b1feaa2cc275a3d7e48 · sha256:5191d21f4cecdf18… · /containers/cna/problemTypes/1/descriptions/0
Source references
1 source assertion{"url":"https://github.com/alibaba/xquic/commit/4764604a0e487eeb49338b4498aecda2194eae84"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:f5e29ef0abe1c5801d45a80d19bc48a85c8b80bd7b294b1feaa2cc275a3d7e48 · sha256:5191d21f4cecdf18… · /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.