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CVE-2026-48827 high CVSS 7.1

Path Traversal in org.apache.sshd:sshd-git (CVE-2026-48827)

Summary

Path traversal in org.apache.sshd:sshd-git (CVE-2026-48827). Confidential information can be exposed externally. Mitigation: upgrade to 3.0.0-M4 or later.

Original description

The description as published by the source.

There is a path traversal vulnerability in Apache MINA SSHD bundle sshd-git. Lack of path validation in git-upload-pack, git-receive-pack, and other git operations allows users authenticated over SSH access to git repositories outside the configured git server root directory.

Applications are affected if they use org.apache.sshd:sshd-git. Applications not using sshd-git are not affected.

Users are advised to upgrade affected applications to Apche MINA SSHD 2.18.0, which fixes the issue.

The issue also is present in the pre-release milestones 3.0.0-M1 to 3.0.0-M3 for a new upcoming new major version 3.0.0. Again, applications are affected only if they use sshd-git. Upgrade affected applications to 3.0.0-M4.

Apache MINA SSHD bundle sshd-git would like to point out that a professional git server should not rely solely on file system layout and permissions, but should implement additional security controls to govern access to git repositories and operations allowed on particular git repositories.

Source: GitHub Security Advisories (Global) NVD GitHub Advisory

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2026-48827 has been found in org.apache.sshd:sshd-git.
Confidential information can be exposed externally. CVSS score: 7.1/10.
What to do: upgrade org.apache.sshd:sshd-git to 3.0.0-M4 or later.
If unsure, ask your IT team or search "org.apache.sshd:sshd-git CVE-2026-48827" on the vendor's site.

CVE-2026-48827 (org.apache.sshd:sshd-git) — CWE-22 / CVSS v3 7.1
Attack vector: remote (network-reachable) / no user interaction
Patched: 3.0.0-M4 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

Path traversal (CWE-22) exists in org.apache.sshd:sshd-git.

📍 Affected scope

Check the vendor advisory for the affected versions of org.apache.sshd:sshd-git.

🔥 Severity

Severity: High (CVSS 7.1/10). Confidential information can be exposed externally.

🔧 How to fix

Update to 3.0.0-M4.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify 
    Audit SBOM/dependencies for affected components.

    資産台帳・SBOM・依存マニフェストで org.apache.sshd:sshd-git を使っているサービスとバージョンを洗い出す。

  2. 2
    Apply patch patch 
    Upgrade org.apache.sshd:sshd-git to 3.0.0-M4

    ステージング環境で 3.0.0-M4 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。

  3. 3
    Post-deployment verification verify 
    Confirm patched version is live in production

    パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Affected packages

maven org.apache.sshd:sshd-git
[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0-M1"},{"fixed":"3.0.0-M4"}]}]

Fix status by distribution

Fixed packages published by each distribution for this CVE

References

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