CVE-2026-103995: low-severity vulnerability in Python Software Foundation CPython
Lenient parsing of integers for response body and chunk framing
Published · Updated
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8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 2epss 0.4%
Response body and chunk parsing would handle non-hex or negative integers incorrectly which could result in misinterpreting HTTP response contents.
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
Affected products
Python Software Foundation · CPythonRelated CVEs — Python Software Foundation CPython
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