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Vulnerability details: VCID-krub-gxtb-8ycd
Vulnerability ID VCID-krub-gxtb-8ycd
Aliases CVE-2025-32379
GHSA-x2rg-q646-7m2v
Summary Koa is expressive middleware for Node.js using ES2017 async functions. In koa < 2.16.1 and < 3.0.0-alpha.5, passing untrusted user input to ctx.redirect() even after sanitizing it, may execute javascript code on the user who use the app. This issue is patched in 2.16.1 and 3.0.0-alpha.5.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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 5.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-32379.json
epss 0.00311 https://api.first.org/data/v1/epss?cve=CVE-2025-32379
epss 0.00311 https://api.first.org/data/v1/epss?cve=CVE-2025-32379
cvssv3.1 5.0 https://github.com/koajs/koa
generic_textual MODERATE https://github.com/koajs/koa
cvssv3.1 5 https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312
cvssv3.1 5.0 https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312
generic_textual MODERATE https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312
ssvc Track https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312
cvssv3.1 5 https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v
cvssv3.1 5.0 https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v
generic_textual MODERATE https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v
ssvc Track https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v
cvssv3.1 5.0 https://nvd.nist.gov/vuln/detail/CVE-2025-32379
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2025-32379
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-32379.json
https://api.first.org/data/v1/epss?cve=CVE-2025-32379
https://github.com/koajs/koa
https://nvd.nist.gov/vuln/detail/CVE-2025-32379
2358649 https://bugzilla.redhat.com/show_bug.cgi?id=2358649
ff25eb4a7f2392df46481fe86355161067687312 https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312
GHSA-x2rg-q646-7m2v https://github.com/advisories/GHSA-x2rg-q646-7m2v
GHSA-x2rg-q646-7m2v https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-32379.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

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none

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unchanged

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none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://github.com/koajs/koa
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

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unchanged

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312
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

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unchanged

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312
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

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high

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none

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Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2025-04-09T17:29:51Z/ Found at https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v
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:H/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v
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

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none
Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2025-04-09T17:29:51Z/ Found at https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2025-32379
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

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none

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Exploit Prediction Scoring System (EPSS)
Percentile 0.54748
EPSS Score 0.00311
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T17:11:33.664220+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2025/32xxx/CVE-2025-32379.json 38.6.0