CVE-2026-5704— Tar: tar: hidden file injection via crafted archives
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I. Basic Information for CVE-2026-5704
Vulnerability Information
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Vulnerability Title
Tar: tar: hidden file injection via crafted archives
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
Vulnerability Title
Red Hat Enterprise Linux 10 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Enterprise Linux 10是美国红帽（Red Hat）公司的一套面向企业用户的Linux操作系统。 Red Hat Enterprise Linux 10存在代码问题漏洞，该漏洞源于特制恶意归档文件，可能导致隐藏文件注入，绕过提取前检查机制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | - | cpe:/o:redhat:enterprise_linux:10 | |
| Red Hat | Red Hat Enterprise Linux 6 | - | cpe:/o:redhat:enterprise_linux:6 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Red Hat | Red Hat Hardened Images | - | cpe:/a:redhat:hummingbird:1 |
II. Public POCs for CVE-2026-5704
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|---|
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- 2455360 – (CVE-2026-5704) CVE-2026-5704 tar: tar: Hidden file injection via crafted archivesissue-trackingx_refsource_REDHAT
- https://nvd.nist.gov/vuln/detail/CVE-2026-5704
Same Patch Batch · Red Hat · 2026-04-06 · 3 CVEs total
| CVE-2026-5673 | 5.6 MEDIUM | Libtheora: libtheora: denial of service or information disclosure via malformed avi file p |
| CVE-2026-37977 | 3.7 LOW | Keycloak: org.keycloak.protocol.oidc.grants.ciba: keycloak: information disclosure via cor |
IV. Related Vulnerabilities
Same product: Red Hat Enterprise Linux 10
- CVE-2026-42011
Gnutls: gnutls: security bypass due to incorrect name constr - CVE-2026-42010
Gnutls: gnutls: authentication bypass via nul character in u - CVE-2026-6420
Keylime: keylime: security bypass due to hardcoded tpm quote - CVE-2026-34002
Xorg: xwayland: x.org x server: information disclosure or de - CVE-2026-34000
Xwayland: xorg: x.org x server: information disclosure and d
Same vendor: Red Hat
- CVE-2026-42011
Gnutls: gnutls: security bypass due to incorrect name constr - CVE-2026-42010
Gnutls: gnutls: authentication bypass via nul character in u - CVE-2026-6420
Keylime: keylime: security bypass due to hardcoded tpm quote - CVE-2026-34956
Openvswitch: open vswitch: denial of service via malformed f - CVE-2026-34002
Xorg: xwayland: x.org x server: information disclosure or de
Same weakness: CWE-434
- CVE-2021-47943
TextPattern CMS 4.8.7 Remote Code Execution via File Upload - CVE-2021-47937
e107 CMS 2.3.0 Authenticated Remote Code Execution via Theme - CVE-2026-41517
Emlog: Remote Code Execution via Malicious Plugin Upload - CVE-2026-6692
Slider Revolution 7.0.0 - 7.0.10 - Authenticated (Subscriber - CVE-2026-41587
CI4MS: Unrestricted PHP File Upload via Theme Installation L
V. Comments for CVE-2026-5704
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