VYPR
Medium severity6.5NVD Advisory· Published Sep 30, 2020· Updated Jun 17, 2026

CVE-2020-26137

CVE-2020-26137

Description

urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of putrequest(). NOTE: this is similar to CVE-2020-26116.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
urllib3PyPI
< 1.25.91.25.9

Affected products

381

Patches

Vulnerability mechanics

References

12

News mentions

0

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