CVE-2026-5704
Last modified
CVE-2026-5704 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Tar | All versions |
| Redhat | Hardened Images | All versions |
| Redhat | Enterprise Linux | 6.0 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux | 9.0 |
| Redhat | Enterprise Linux | 10.0 |
References
- https://access.redhat.com/security/cve/CVE-2026-5704Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2455360Exploit, Issue Tracking, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2026/04/11/10Exploit, Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2026/04/11/11Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2026/04/12/2Exploit, Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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