A critical security incident involving the tj-actions/changed-files GitHub Action has been reported.
The changed-files action, which allows GitHub repositories to track file changes, has been tampered with to allow the exposure through GitHub Actions build logs of CI/CD secrets, including passwords, tokens, API keys, PII and other sensitive data that have been embedded within software code. Workflow logs that are made publicly accessible, such as those for public repositories, could allow attackers to obtain exposed secrets for further malicious actions. The issue is tracked as a high-severity vulnerability under CVE-2025-30066.
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Source: NHS Digital
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- Cisco Warns of Critical Vulnerability Revealed in ‘Vault 7’ Data Dump
March 20, 2017
Cisco Systems warned customers on Friday of a critical vulnerability that could allow an attacker to execute arbitrary code and obtain full control on more than 300 different models of its switches and routers. Cisco said it became aware of the vulnerability after WikiLeaks released its Vault 7 cache of documents that revealed the existence ...

