supply-chain-security
Safeguard articles tagged "supply-chain-security" — guides, analysis, and best practices for software supply chain and application security.
1104 articles
CVE-2026-63077: Your Build Server Is a Credential Store With an Open Port
An unauthenticated attacker sends a crafted object to TeamCity's agent polling endpoint and gets OS command execution as the server process. Every credential the build server holds sits downstream.
Python setuptools package_index ReDoS (CVE-2022-40897)
CVE-2022-40897 is a ReDoS flaw in setuptools' package_index.py that can hang CI pipelines when parsing crafted index pages. Here's how to detect and fix it.
urllib3 CA certificate verification bypass (CVE-2019-11324)
CVE-2019-11324 let urllib3 silently trust unintended CAs during custom certificate validation, undermining pinned-trust and mTLS setups.
urllib3 cookie/auth header leak on cross-origin redirect (CVE-2023-43804)
CVE-2023-43804 lets urllib3 leak Cookie headers on cross-origin redirects. See affected versions, severity context, and how to remediate fast.
PyYAML full_load unsafe deserialization arbitrary code execution (CVE-2020-14343)
CVE-2020-14343 shows PyYAML's full_load/FullLoader "safe" fix was incomplete, enabling arbitrary code execution. Here's the fix and how to detect exposure.
PyYAML Loader arbitrary code execution (CVE-2017-18342)
PyYAML's default yaml.load() Loader lets attackers run arbitrary code via crafted YAML input. Here's how CVE-2017-18342 works and how to fix it.
IPython crafted directory code execution (CVE-2022-21699)
CVE-2022-21699 lets attackers plant crafted profile files in shared directories, triggering silent code execution when victims launch IPython or Jupyter sessions.
Python urllib.parse NFKC normalization blocklist bypass (CVE-2023-24329)
CVE-2023-24329 let attackers bypass URL blocklists via leading blank characters in Python's urllib.parse, enabling SSRF and filter evasion.
Python tarfile extraction path traversal, the 15-year-old flaw (CVE-2007-4559)
CVE-2007-4559, a path traversal flaw in Python's tarfile module, still lurks in hundreds of thousands of repos. Here's the impact, timeline, and fix.
ctx and colourama PyPI typosquat malware incident
The ctx and colourama PyPI typosquatting malware incident shows how account takeover and name-squatting delivered credential-stealing code to devs.
Python email module address-parsing confusion (CVE-2023-27043)
CVE-2023-27043 shows how a Python email-parsing quirk lets attackers spoof trusted domains and bypass allowlist-based access controls silently.
Kubernetes Python client aggregated API vulnerability (CVE-2022-3172)
CVE-2022-3172 lets a rogue aggregated API backend redirect authenticated Kubernetes API traffic, exposing Python client apps to credential theft.
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