CVE-2026-1502
MEDIUMCVSS 5.7/10EPSS 0.56%
Last modified
CVE-2026-1502 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.
Description
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Python Software Foundation | CPython | < 3.10.21; >= 3.11.0, < 3.11.16; >= 3.12.0, < 3.12.14; >= 3.13.0, < 3.13.14; >= 3.14.0a1, < 3.14.5rc1; >= 3.15.0a1, < 3.15.0b1 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-1502?
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
How severe is CVE-2026-1502?
CVE-2026-1502 has a CVSS score of 5.7/10 (MEDIUM severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.
How do I fix CVE-2026-1502?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-1502?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST