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Mbed TLS CVE-2026-49300

MEDIUM
N/A vendor:alpine
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Lifecycle Timeline

1
Analysis Generated
Jul 19, 2026 - 14:30 vuln.today

DescriptionCVE.org

Alpine Linux: mbedtls fixed in 4.1.1-r0

AnalysisAI

Mbed TLS (mbedtls) on Alpine Linux contains an unspecified vulnerability addressed in Alpine package version 4.1.1-r0. The nature of the flaw - whether it involves cryptographic weakness, memory corruption, or another class of defect - is not disclosed in the available intelligence. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify Alpine host running vulnerable mbedtls
Exploit
Interact with service using mbedtls
Execution
Trigger undisclosed flaw
Impact
Unknown impact

Vulnerability AssessmentAI

Exploitation Exploitation conditions are unknown - no CVSS vector, CWE, or descriptive detail is available to determine whether the flaw requires network access, local access, authentication, or a specific configuration. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Risk assessment is severely constrained by the absence of a CVSS vector, CVSS score, CWE, EPSS score, KEV status, and any exploit or POC data. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario The actual attack scenario cannot be constructed with confidence because the vulnerability class, attack vector, and required privileges are undisclosed. If the flaw resides in TLS handshake processing or certificate parsing - common areas in TLS libraries - a remote unauthenticated attacker connecting to a service that uses mbedtls could potentially trigger the flaw. …
Remediation Upgrade the Alpine Linux mbedtls package to version 4.1.1-r0 or later using 'apk upgrade mbedtls' on affected Alpine systems. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-49300 vulnerability details – vuln.today

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