buffparser (PyPI) · Malicious Code
Affects buffparserSource GCVE Database
Malicious package : remove buffparser and rotate any secrets on hosts that installed it.
Data as of 27 Oct 2026, 00:30 UTC
Malicious package
Published to PyPI · OSV MAL-2026-3203
What to do
Remove buffparser from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| PyPIbuffparser | Affected
| Fixed in– |
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Description
The buffparser package on PyPI version 1.0.0 contains malicious code that initiates a reverse shell when its parsing function is used. This allows an attacker to execute arbitrary commands on the victim's machine, posing a significant security risk.