CVE-2026-23992— go-tuf improperly validates the configured threshold for delegations
Quick assessment
Affected
theupdateframework go-tuf
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.
go-tuf是The Update Framework开源的一个用于保护软件更新系统的框架。 go-tuf 2.0.0版本至2.3.1之前版本存在数据伪造问题漏洞，该漏洞源于签名阈值配置不当，可能导致对TUF元数据文件的未授权修改。
Possible ATT&CK Techniques 1 AI
T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2026-23992
Vulnerability Information
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Vulnerability Title
go-tuf improperly validates the configured threshold for delegations
Source: CVE Program / CVE List V5
Vulnerability Description
go-tuf is a Go implementation of The Update Framework (TUF). Starting in version 2.0.0 and prior to version 2.3.1, a compromised or misconfigured TUF repository can have the configured value of signature thresholds set to 0, which effectively disables signature verification. This can lead to unauthorized modification to TUF metadata files is possible at rest, or during transit as no integrity checks are made. Version 2.3.1 fixes the issue. As a workaround, always make sure that the TUF metadata roles are configured with a threshold of at least 1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
go-tuf 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
go-tuf是The Update Framework开源的一个用于保护软件更新系统的框架。 go-tuf 2.0.0版本至2.3.1之前版本存在数据伪造问题漏洞，该漏洞源于签名阈值配置不当，可能导致对TUF元数据文件的未授权修改。
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 |
|---|---|---|---|---|
| theupdateframework | go-tuf | >= 2.0.0, < 2.3.1 | - |
|
II. Public POCs for CVE-2026-23992
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: go-tuf
Same vendor: theupdateframework
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No protection against rollback attacks in go-tuf -
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Same weakness: CWE-347
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V. Comments for CVE-2026-23992
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