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Vulnerability details: VCID-8y5k-1ax1-ykhs
Vulnerability ID VCID-8y5k-1ax1-ykhs
Aliases CVE-2025-69227
GHSA-jj3x-wxrx-4x23
Summary AIOHTTP vulnerable to DoS when bypassing asserts When assert statements are bypassed, an infinite loop can occur, resulting in a DoS attack when processing a POST body.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-69227.json
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2025-69227
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-jj3x-wxrx-4x23
cvssv4 6.6 https://github.com/aio-libs/aiohttp
generic_textual MODERATE https://github.com/aio-libs/aiohttp
cvssv4 6.6 https://github.com/aio-libs/aiohttp/commit/bc1319ec3cbff9438a758951a30907b072561259
generic_textual MODERATE https://github.com/aio-libs/aiohttp/commit/bc1319ec3cbff9438a758951a30907b072561259
ssvc Track https://github.com/aio-libs/aiohttp/commit/bc1319ec3cbff9438a758951a30907b072561259
cvssv3.1_qr MODERATE https://github.com/aio-libs/aiohttp/security/advisories/GHSA-jj3x-wxrx-4x23
cvssv4 6.6 https://github.com/aio-libs/aiohttp/security/advisories/GHSA-jj3x-wxrx-4x23
generic_textual MODERATE https://github.com/aio-libs/aiohttp/security/advisories/GHSA-jj3x-wxrx-4x23
ssvc Track https://github.com/aio-libs/aiohttp/security/advisories/GHSA-jj3x-wxrx-4x23
cvssv4 6.6 https://nvd.nist.gov/vuln/detail/CVE-2025-69227
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2025-69227
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-69227.json
https://api.first.org/data/v1/epss?cve=CVE-2025-69227
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-69227
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/aio-libs/aiohttp
https://github.com/aio-libs/aiohttp/commit/bc1319ec3cbff9438a758951a30907b072561259
2427256 https://bugzilla.redhat.com/show_bug.cgi?id=2427256
CVE-2025-69227 https://nvd.nist.gov/vuln/detail/CVE-2025-69227
GHSA-jj3x-wxrx-4x23 https://github.com/advisories/GHSA-jj3x-wxrx-4x23
GHSA-jj3x-wxrx-4x23 https://github.com/aio-libs/aiohttp/security/advisories/GHSA-jj3x-wxrx-4x23
RHSA-2026:10184 https://access.redhat.com/errata/RHSA-2026:10184
RHSA-2026:13545 https://access.redhat.com/errata/RHSA-2026:13545
RHSA-2026:13553 https://access.redhat.com/errata/RHSA-2026:13553
RHSA-2026:3782 https://access.redhat.com/errata/RHSA-2026:3782
RHSA-2026:5809 https://access.redhat.com/errata/RHSA-2026:5809
RHSA-2026:6761 https://access.redhat.com/errata/RHSA-2026:6761
RHSA-2026:6762 https://access.redhat.com/errata/RHSA-2026:6762
USN-8032-1 https://usn.ubuntu.com/8032-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-69227.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U Found at https://github.com/aio-libs/aiohttp
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U Found at https://github.com/aio-libs/aiohttp/commit/bc1319ec3cbff9438a758951a30907b072561259
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-01-06T14:25:12Z/ Found at https://github.com/aio-libs/aiohttp/commit/bc1319ec3cbff9438a758951a30907b072561259
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U Found at https://github.com/aio-libs/aiohttp/security/advisories/GHSA-jj3x-wxrx-4x23
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-01-06T14:25:12Z/ Found at https://github.com/aio-libs/aiohttp/security/advisories/GHSA-jj3x-wxrx-4x23
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U Found at https://nvd.nist.gov/vuln/detail/CVE-2025-69227
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.07449
EPSS Score 0.00025
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:49:23.021863+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/pypi/aiohttp/CVE-2025-69227.yml 38.6.0