CVE-2026-1502

mediumpriority · track · 0EPSS 0.006 · 46 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.56% (46th) EPSS

CVSS 4.9 · medium

Is it mine?

56 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-23

CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.

cvss

Technical severity, 0–10. One row per scoring source.

5.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.9–5.7

v3.14.9mediumAV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

v4.05.7mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.05.7mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · cna@python.org

v4.01.9lowCVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-93USCWE-93US

affected products (56)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Dell Avamarall versionscert_bundDEcpe:/a:dell:avamar:-
Dell NetWorkerall versionscert_bundDEcpe:/a:dell:networker:-
F5 F5OSall versionscert_bundDEcpe:/o:f5:f5os:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
IBM SPSSall versionscert_bundDEcpe:/a:ibm:spss:modeler
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat Enterprise Linux Update Infrastructure 5.1all versionscert_bundDEcpe:/o:redhat:enterprise_linux:update_infrastructure_5.1
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Dell Secure Connect Gateway< 5.36.00.16cert_bundDE
Open Source Python≤ CPython <3.13.13cert_bundDE
Open Source Python≤ CPython <3.14.4cert_bundDE
Open Source Python≤ CPython <3.15.0cert_bundDE
Python Software Foundation CPython0 → 3.10.21enisa_euvdEU
Python Software Foundation CPython3.11.0 → 3.11.16enisa_euvdEU

showing 20 of 56

advisories (6)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1064CPython: Mehrere SchwachstellenDeutsch2026-04-12csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in CPython ausnutzen, um Sicherheitsvorkehrungen zu umgehen, und um Daten zu manipulieren.
WID-SEC-W-2026-2455Oracle Solaris Drittanbieterkomponenten: Mehrere SchwachstellenDeutsch2026-07-21csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in verschiedenen Komponenten von Drittanbietern in Oracle Solaris ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
BIT-libpython-2026-1502HTTP client proxy tunnel headers not validated for CR/LF2026-07-06vendor · osvUS
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
BIT-python-2026-1502HTTP client proxy tunnel headers not validated for CR/LF2026-07-06vendor · osvUS
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
BIT-python-min-2026-1502HTTP client proxy tunnel headers not validated for CR/LF2026-07-06vendor · osvUS
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
PSF-2026-152026-04-10vendor · osvUS
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.

also known as (9)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv cert_bund NVD CVE.org MITRE

published 2026-04-10modified 2026-08-13

references (26)

External citations — patches, advisories, analysis.

scry

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