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CVE-2026-78062— vas3k TaxHacker JWT Secret config.ts envSchema.parse hard-coded credentials

Quick assessment

Affected
vas3k TaxHacker
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 vas3k TaxHacker（版本不超过 0.8.2）中发现了一个漏洞。受影响的组件是 JWT Secret Handler，其文件 lib/config.ts 中的 envSchema.parse 函数存在安全问题。通过对 BETTER_AUTH_SECRET 参数的操作，会导致硬编码凭据的产生。该漏洞可以被远程攻击者利用。项目方已通过问题报告在早期阶段获知此问题，但截至目前尚未作出回应。

CVSS 7.3 · High EPSS 0.50% · P40

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 3

VendorProduct Version RangeStatus
vas3k TaxHacker 0.8.0 affected
0.8.1 affected
0.8.2 affected
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I. Basic Information for CVE-2026-78062

Vulnerability Information
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Vulnerability Title
vas3k TaxHacker JWT Secret config.ts envSchema.parse hard-coded credentials
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in vas3k TaxHacker up to 0.8.2. The affected element is the function envSchema.parse of the file lib/config.ts of the component JWT Secret Handler. The manipulation of the argument BETTER_AUTH_SECRET leads to hard-coded credentials. The attack can be initiated remotely. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的凭证
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
vas3k TaxHacker 0.8.0 cpe:2.3:a:vas3k:taxhacker:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-78062

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 10714 chars
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III. Intelligence Information for CVE-2026-78062

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Vendor Advisories for CVE-2026-78062 (1)

Exploits & Public PoCs for CVE-2026-78062 (1)

News Coverage for CVE-2026-78062 (2)

Other References for CVE-2026-78062 (1)

IV. Related Vulnerabilities

Same product: TaxHacker
Same vendor: vas3k
Same weakness: CWE-798

V. Comments for CVE-2026-78062

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