How severe is CVE-2025-69230?

CVE-2025-69230 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-69230 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-69230?

CVE-2025-69230 affects Aiohttp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-69230?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-69230 have an EU (EUVD) identifier?

Yes. CVE-2025-69230 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1042.

When was CVE-2025-69230 published?

CVE-2025-69230 was published on 2026-01-06 and last updated on 2026-06-17.

CVE-2025-69230

CVE-2025-69230 is a medium-severity vulnerability in Aiohttp with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-779.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 2.7
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1042
Weakness: CWE-779
Affected product: Aiohttp
Published: 2026-01-06
Last modified: 2026-06-17

Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, reading multiple invalid cookies can lead to a logging storm. If the cookies attribute is accessed in an application, then an attacker may be able to trigger a storm of warning-level logs using a specially crafted Cookie header. This issue is fixed in 3.13.3.

Frequently asked questions

What is CVE-2025-69230?: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, reading multiple invalid cookies can lead to a logging storm. If the cookies attribute is accessed in an application, then an attacker may be able to trigger a storm of warning-level logs using a specially crafted Cookie header. This issue is fixed in 3.13.3.
How severe is CVE-2025-69230?: CVE-2025-69230 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-69230 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-69230?: CVE-2025-69230 affects Aiohttp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-69230?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-69230 have an EU (EUVD) identifier?: Yes. CVE-2025-69230 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1042.
When was CVE-2025-69230 published?: CVE-2025-69230 was published on 2026-01-06 and last updated on 2026-06-17.

References

Affected products (1)

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

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