Is CVE-2026-1502 in the CISA KEV catalog?

No. CVE-2026-1502 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-1502?

CVE-2026-1502 has a CVSS v4 base score of 5.7 (Moderate).

What is the EPSS score for CVE-2026-1502?

CVE-2026-1502 has an EPSS score of 0.47% (37th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-1502?

Upgrade pypy3 on debian unstable to 7.3.22+dfsg-1 or later. Fixes are available for 77 affected products.

CVE & CISA-KEV Catalog

CVE-2026-1502

MEDIUM

5.7

CVSS v4

NVD

Description

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

CWE-93

How to fix

Remediation Available

pypy3Debian

Fixed in:7.3.22+dfsg-1CVE-2026-1502

python-unversioned-commandRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python-unversioned-commandRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3Red Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:13-main@srcRHSA-2026:10117

Fixed in:12-main@aarch64RHSA-2026:8824

Fixed in:14-main@noarchRHSA-2026:9228

Fixed in:12-main@srcRHSA-2026:8824

Fixed in:13-main@x86_64RHSA-2026:10117

Fixed in:14-main@aarch64RHSA-2026:9228

Fixed in:14-main@x86_64RHSA-2026:9228

Fixed in:11-main@srcRHSA-2026:8822

Fixed in:14-main@srcRHSA-2026:9228

Fixed in:11-main@x86_64RHSA-2026:8822

Fixed in:11-main@aarch64RHSA-2026:8822

Fixed in:13-main@aarch64RHSA-2026:10117

Fixed in:12-main@x86_64RHSA-2026:8824

python3Rocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:14-main@aarch64RHSA-2026:9228

Fixed in:12-main@x86_64RHSA-2026:8824

Fixed in:14-main@noarchRHSA-2026:9228

Fixed in:14-main@x86_64RHSA-2026:9228

Fixed in:12-main@srcRHSA-2026:8824

Fixed in:14-main@srcRHSA-2026:9228

Fixed in:11-main@aarch64RHSA-2026:8822

Fixed in:13-main@srcRHSA-2026:10117

Fixed in:13-main@aarch64RHSA-2026:10117

Fixed in:12-main@aarch64RHSA-2026:8824

Fixed in:13-main@x86_64RHSA-2026:10117

Fixed in:11-main@srcRHSA-2026:8822

Fixed in:11-main@x86_64RHSA-2026:8822

python3-debugRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-debugRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-develRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-develRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-idleRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-idleRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-libsRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-libsRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-testRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-testRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-tkinterRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-tkinterRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3.12Rocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12Red Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-debugRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-debugRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-debuginfoRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-debuginfoRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-debugsourceRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-debugsourceRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-develRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-develRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-idleRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-idleRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-libsRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-libsRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-rpm-macrosRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

python3.12-rpm-macrosRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

python3.12-testRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-testRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-tkinterRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-tkinterRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.14Rocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14Red Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-debugRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-debugRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-debuginfoRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-debuginfoRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-debugsourceRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-debugsourceRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-develRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-develRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreadingRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreadingRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreading-debugRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreading-debugRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreading-develRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreading-develRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreading-idleRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreading-idleRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreading-libsRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreading-libsRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreading-testRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreading-testRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreading-tkinterRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-freethreading-tkinterRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-idleRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-idleRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-libsRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-libsRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-testRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-testRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-tkinterRed Hat / RHEL

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

python3.14-tkinterRocky

Fixed in:0:3.14.4-2.el10_2RHSA-2026:19019

Fixed in:0:3.14.4-2.el9_8RHSA-2026:19176

registry.redhat.io/rhui5/cdsRed Hat / RHEL

Fixed in:rhel9@sha256:29229a9b1908d9586aa60ae96ea4cab29316c058665ea4e10bd7d88e3434f38a_amd64RHSA-2026:21275

registry.redhat.io/rhui5/cdsRocky

Fixed in:rhel9@sha256:29229a9b1908d9586aa60ae96ea4cab29316c058665ea4e10bd7d88e3434f38a_amd64RHSA-2026:21275

registry.redhat.io/rhui5/haproxyRocky

Fixed in:rhel9@sha256:eeceb83a297bdb2778a63fa0e55d441ba316b77be786280746348fdcdeae866d_amd64RHSA-2026:21275

registry.redhat.io/rhui5/haproxyRed Hat / RHEL

Fixed in:rhel9@sha256:eeceb83a297bdb2778a63fa0e55d441ba316b77be786280746348fdcdeae866d_amd64RHSA-2026:21275

registry.redhat.io/rhui5/installerRed Hat / RHEL

Fixed in:rhel9@sha256:fb8d5c681efa515095f164334fde48bb2c4160069ba7512ddbf16a865c65ae17_amd64RHSA-2026:21275

registry.redhat.io/rhui5/installerRocky

Fixed in:rhel9@sha256:fb8d5c681efa515095f164334fde48bb2c4160069ba7512ddbf16a865c65ae17_amd64RHSA-2026:21275

registry.redhat.io/rhui5/rhuaRed Hat / RHEL

Fixed in:rhel9@sha256:ae3724c290b6e0c536cadae4dbe38fc1241fb88520db381e04bfbd1e489989e8_amd64RHSA-2026:21275

registry.redhat.io/rhui5/rhuaRocky

Fixed in:rhel9@sha256:ae3724c290b6e0c536cadae4dbe38fc1241fb88520db381e04bfbd1e489989e8_amd64RHSA-2026:21275

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v4 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

Impact

CVSS: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:X

Exploit Intelligence

0.47%probability of exploitation in 30 days

37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Other references10

Embed a live status badge for CVE-2026-1502

Markdown

[![CVE-2026-1502](https://tridentstack.com/cve/badge/CVE-2026-1502.svg)](https://tridentstack.com/cve/CVE-2026-1502)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-1502"><img src="https://tridentstack.com/cve/badge/CVE-2026-1502.svg" alt="CVE-2026-1502"></a>

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-30.