EUVD-2026-46099
GHSA-2vf2-jm4x-2gj4
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Network SCP over an authenticated SSH session implies PR:L rather than PR:N; low complexity, integrity-only file-write so C:N/A:N and I:H.
Primary rating from Vendor (apache).
CVSS VectorVendor: apache
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Lifecycle Timeline
4DescriptionCVE.org
Path traversal in the sshd-scp component of Apache MINA SSHD. Apache MINA SSHD is a Java library for client-side and server-side SSH.
The implementation of receiving files or directories via SCP did not validate filenames in SCP "C" or "D" commands. A malicious sender could send filenames containing paths, resulting in files to be written in attacker-controlled places.
The issue affects only
- applications that use no longer supported Apache MINA SSHD versions < 2.0.0 and use the SCP functions to receive files,
- or applications using sshd-scp in Apache MINA SSHD >= 2.0.0 to receive files.
Applications using Apache MINA SSHD >= 2.0.0 not using sshd-scp are not affected.
The issue is fixed in Apache MINA 2.19.0 and 3.0.0-M5. Affected applications are advised to upgrade to these versions.
Articles & Coverage 4
AnalysisAI
Arbitrary file write in Apache MINA SSHD's sshd-scp component lets a malicious SCP sender place files outside the intended download directory because filenames in SCP 'C' (file) and 'D' (directory) commands are not validated for path separators. Any application acting as an SCP receiver - either an SSHD server accepting uploads or an SCP client fetching from a server - using unsupported versions <2.0.0 or the sshd-scp module in >=2.0.0 is affected, allowing an attacker to overwrite or plant files in attacker-chosen locations. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target application uses the sshd-scp SCP receive functionality of Apache MINA SSHD (an SSHD server accepting SCP uploads, or an SCP client downloading from a server) on an affected version (<2.0.0, or >=2.0.0 with sshd-scp in use). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N, base 7.5) reflects a network-reachable, low-complexity integrity-only impact with no confidentiality or availability loss, which matches a file-write primitive well. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A victim application uses Apache MINA SSHD's sshd-scp to receive an upload (or an operator uses an embedded SCP client to pull files from a server). A malicious sender crafts an SCP 'C' command whose filename is a traversal path such as '../../../home/app/.ssh/authorized_keys' or a path into a web root, causing MINA SSHD to write the attacker's content outside the intended directory. … |
| Remediation | Vendor-released patch: upgrade to Apache MINA SSHD 2.19.0 (2.x branch) or 3.0.0-M5 (3.x milestone) as directed by the Apache advisory at https://lists.apache.org/thread/xgoqvmksmd94fsqnzqjdtfjxf35os9no; this is the primary and recommended action, and it removes support for the vulnerable pre-2.0.0 line entirely. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all applications and systems using Apache MINA SSHD's sshd-scp component and assess their exposure level and operational criticality. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
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External POC / Exploit Code
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