CVE-2025-2886— Terminating targets role delegations are not respected in tough
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I. Basic Information for CVE-2025-2886
Vulnerability Information
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Vulnerability Title
Terminating targets role delegations are not respected in tough
Source: NVD (National Vulnerability Database)
Vulnerability Description
Missing validation of terminating delegation causes the client to continue searching the defined delegation list, even after searching a terminating delegation. This could cause the client to fetch a target from an incorrect source, altering the target contents. Users should upgrade to tough version 0.20.0 or later and ensure any forked or derivative code is patched to incorporate the new fixes.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
控制流实现总是不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Amazon tough 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Amazon tough是美国亚马逊（Amazon）公司的 一个The Update Framework（TUF） 存储库的 Rust 客户端库。 Amazon tough 0.20.0之前版本存在安全漏洞，该漏洞源于缺少对终止委托的验证，可能导致客户端从错误的源获取目标。
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
II. Public POCs for CVE-2025-2886
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Same Patch Batch · AWS · 2025-03-27 · 4 CVEs total
| CVE-2025-2885 | Root metadata version not validated in tough | |
| CVE-2025-2888 | Improper timestamp caching during snapshot rollback in tough | |
| CVE-2025-2887 | Failure to detect delegated target rollback in tough |
IV. Related Vulnerabilities
Same product: tough
- CVE-2026-6968
Multiple Path Traversal Variants in awslabs/tough - CVE-2026-6967
Missing Delegated Metadata Validation in awslabs/tough - CVE-2026-6966
Signature Threshold Bypass in awslabs/tough Delegated Roles - CVE-2025-2888
Improper timestamp caching during snapshot rollback in tough - CVE-2025-2887
Failure to detect delegated target rollback in tough
Same vendor: AWS
- CVE-2026-7461
OS Command Injection in Amazon ECS Agent via FSx Windows Fil - CVE-2026-7426
Out-of-Bounds Write via Unsanitized Prefix Length in Router - CVE-2026-7425
Out-of-Bounds Read in Router Advertisement Option Parser in - CVE-2026-7424
Integer Underflow in DHCPv6 Sub-Option Parser in FreeRTOS-Pl - CVE-2026-7423
Integer Underflow in ICMP Echo Reply Processing in FreeRTOS-
V. Comments for CVE-2025-2886
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