CVE-2026-5704
A flaw was found in tar. A remote attacker could exploit this vulnerability by crafting a malicious archive, leading to hidden file injection with fully attacker-controlled content. This bypasses pre-extraction inspection mechanisms, potentially allowing an attacker to introduce malicious files onto a system without detection.
- Gnu Tar
- All versions
- Redhat Hardened Images
- All versions
- Redhat Enterprise Linux
- = 6.0, 7.0, 8.0, 9.0, 10.0
- CVSS 3.1
- 5.5 MEDIUM
- EPSS
- 0.4% (30th percentile)
- Weakness
- CWE-434
- NVD status
- Analyzed
- Published
- 2026-04-06
Workaround
To mitigate this issue, avoid extracting archives from untrusted sources. If processing untrusted archives is necessary, do so within a sandboxed environment to limit potential impact.
CVE-2026-5704 at NVD
No indexed exploits for CVE-2026-5704 yet
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No exploit for CVE-2026-5704 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.