What is the CVSS score of CVE-2025-69225?

CVE-2025-69225 has a CVSS 4.0 base score of 2.7 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2025-69225?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Aiohttp CVE-2025-69225

LOW

HTTP Request/Response Smuggling (CWE-444)

2026-01-06 security-advisories@github.com

GHSA-mqqc-3gqh-h2x8

Python Information Disclosure Request Smuggling Aiohttp

2.7

CVSS 4.0 · Vendor: github

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Vulnerability Assessment

Weakness	CWE CWE-444 OWASP Top 10:2025 A06:2025 - Insecure Design ASVS 5.0 V4 - API and Web Service HTTP request consistency
Impact	CVSS 5.3 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None.
Exploit ScenarioDerived	An attacker could exploit this vulnerability to compromise the affected system.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).

Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

RemediationAI

A vendor patch is available — apply it immediately. Fixed in version 3.13.3.. Restrict network access to the affected service where possible.

Affected Packages

pypi aiohttp fix: 3.13.3

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in pypi

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Classified as CWE-444 (HTTP Request/Response Smuggling). Affects Aiohttp. AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below contain parser logic which allows non-ASCII decimals to be present in the Range header. There is no known impact, but there is the possibility that there's a method to exploit a request smuggling vulnerability. This issue is fixed in version 3.13.3.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (github) PRIMARY 2.7 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U

SUSE 5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Red Hat 5.4 LOW

Primary rating from Vendor (github).

CVSS VectorVendor: github

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

None

User Interaction

None

Vulnerable system: Confidentiality

None

Vulnerable system: Integrity

Low

Vulnerable system: Availability

None

Subsequent system: Confidentiality

None

Subsequent system: Integrity

None

Subsequent system: Availability

None

Lifecycle Timeline

Severity Changed

Sep 30, 2026 - 22:23 NVD

MEDIUM LOW

CVSS changed

Sep 30, 2026 - 22:23 NVD

5.3 (MEDIUM) 2.7 (LOW)

Patch released

Jan 14, 2026 - 19:13 nvd

Patch available

CVE Published

Jan 06, 2026 - 00:15 nvd

MEDIUM 5.3

DescriptionCVE.org

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below contain parser logic which allows non-ASCII decimals to be present in the Range header. There is no known impact, but there is the possibility that there's a method to exploit a request smuggling vulnerability. This issue is fixed in version 3.13.3.

Executive ViewAI

Why It Matters

Organizations using AIOHTTP should be aware of moderate risk from CVE-2025-69225 rated CVSS 5.3. Exploitation could compromise the security of affected deployments. A patch is available and should be applied during regular vulnerability management.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.0%

Top 87% exploitable

Data Quality

5 sources

Confidence: Medium

NVD

CVE.org

EPSS Vendor

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity LOW

CISA KEV No

Public POC No

EPSS 0.0%

Patch available Yes

Active threat No

Deciding rule

LOW severity (CVSS 0.1-3.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +14

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

HTTP Request Smuggling HIGH

HTTP request smuggling exploits inconsistencies in how front-end and back-end servers parse HTTP message boundaries.

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:aiohttp:aiohttp:*:*:*:*:*:*:*:*

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Same weakness CWE-444 – HTTP Request/Response Smuggling

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CVE-2023-41265 CRITICAL POC

9.9

CVE-2026-88773 CRITICAL POC

9.3

CVE-2026-48710 MEDIUM POC

6.5

CVE-2021-33037 MEDIUM

5.3

CVE-2021-23336 MEDIUM POC

5.9

CVE-2025-55315 CRITICAL POC

9.9

CVE-2018-3907 CRITICAL POC

10.0

CVE-2024-10264 CRITICAL POC

9.8

Same technique Information Disclosure

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CVE-2019-2725 CRITICAL POC

9.8

CVE-2021-34523 CRITICAL POC

9.0

CVE-2013-2251 CRITICAL POC

9.8

CVE-2017-5638 CRITICAL POC

9.8

CVE-2025-24813 CRITICAL POC

9.8

CVE-2025-68613 HIGH POC

8.8

CVE-2015-1701 HIGH POC

7.8

CVE-2017-0147 HIGH POC

7.5

Vendor StatusVendor

SUSE

Severity: Medium

Product	Status
Container suse/sl-micro/6.0/baremetal-os-container:2.1.3-6.6 Image SLE-Micro Image SLE-Micro-Azure Image SLE-Micro-BYOS Image SLE-Micro-BYOS-Azure Image SLE-Micro-BYOS-EC2 Image SLE-Micro-BYOS-GCE Image SLE-Micro-EC2 Image SLE-Micro-GCE	Affected
SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise Module for Python 3 15 SP7	Fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS	Fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS	Fixed
SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise Module for Public Cloud 15 SP4 SUSE Linux Enterprise Server 15 SP4 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.3	Fixed

References

Advisories & patches

PATCH https://github.com/aio-libs/aiohttp/commit/c7b7a044f88c71cefda95ec75cdcfaa4792b3b96 PATCH https://github.com/aio-libs/aiohttp/security/advisories/GHSA-mqqc-3gqh-h2x8 ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:0858/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:0859/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:20425/

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