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CVE-2026-54448— Trivy: Helm chart tar bomb causes OOM via unbounded io.ReadAll in parser

Quick assessment

Affected
aquasecurity trivy
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Aqua Security Trivy是Aqua Security公司开源的一款全面且多功能的安全扫描仪。 Aqua Security Trivy 0.71.0之前版本存在资源管理错误漏洞，该漏洞源于自定义tar解包器对条目读取无大小限制，可能导致攻击者通过恶意压缩包导致进程被操作系统OOM killer杀死。

AI Predicted 5.3 Difficulty: Easy EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 1

VendorProduct Version RangeStatus
aquasecurity trivy < 0.71.0 affected
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I. Basic Information for CVE-2026-54448

Vulnerability Information
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Vulnerability Title
Trivy: Helm chart tar bomb causes OOM via unbounded io.ReadAll in parser
Source: CVE Program / CVE List V5
Vulnerability Description
Trivy is a security scanner. Prior to 0.71.0, when Trivy scans a Helm chart archive (.tgz), its custom tar unpacker reads each entry with io.ReadAll(tr) and no size limit. An attacker who can place a malicious .tgz file in the scanned path can craft a small compressed archive that decompresses to gigabytes, causing the Trivy process to be killed by the OS OOM killer. This vulnerability is fixed in 0.71.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Aqua Security Trivy 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Aqua Security Trivy是Aqua Security公司开源的一款全面且多功能的安全扫描仪。 Aqua Security Trivy 0.71.0之前版本存在资源管理错误漏洞，该漏洞源于自定义tar解包器对条目读取无大小限制，可能导致攻击者通过恶意压缩包导致进程被操作系统OOM killer杀死。
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
aquasecurity trivy < 0.71.0 -

II. Public POCs for CVE-2026-54448

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III. Intelligence Information for CVE-2026-54448

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Patches & Fixes for CVE-2026-54448 (1)

Vendor Advisories for CVE-2026-54448 (1)

IV. Related Vulnerabilities

Same product: trivy
Same vendor: aquasecurity
Same weakness: CWE-770

V. Comments for CVE-2026-54448

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