CVE-2025-8129

KoaJS Koa HTTP Header response.js back redirect

Published Jul 25, 2025 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
A vulnerability, which was classified as problematic, was found in KoaJS Koa up to 3.0.0. Affected is the function back in the library lib/response.js of the component HTTP Header Handler. The manipulation of the argument Referrer leads to open redirect. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-22567 Koa Open Redirect via Referrer Header (User-Controlled)
Github GHSA Github GHSA GHSA-jgmv-j7ww-jx2x Koa Open Redirect via Referrer Header (User-Controlled)
History
Type Values Removed Values Added
CPEs cpe:2.3:a:koajs:koa:*:*:*:*:*:node.js:*:*
cpe:2.3:a:koajs:koa:3.0.0:-:*:*:*:node.js:*:*
cpe:2.3:a:koajs:koa:3.0.0:alpha0:*:*:*:node.js:*:*
cpe:2.3:a:koajs:koa:3.0.0:alpha1:*:*:*:node.js:*:*
cpe:2.3:a:koajs:koa:3.0.0:alpha2:*:*:*:node.js:*:*
cpe:2.3:a:koajs:koa:3.0.0:alpha3:*:*:*:node.js:*:*
cpe:2.3:a:koajs:koa:3.0.0:alpha4:*:*:*:node.js:*:*
cpe:2.3:a:koajs:koa:3.0.0:alpha5:*:*:*:node.js:*:*
Type Values Removed Values Added
First Time appeared Koajs
Koajs koa
Vendors & Products Koajs
Koajs koa
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A vulnerability, which was classified as problematic, was found in KoaJS Koa up to 3.0.0. Affected is the function back in the library lib/response.js of the component HTTP Header Handler. The manipulation of the argument Referrer leads to open redirect. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Title KoaJS Koa HTTP Header response.js back redirect
Weaknesses CWE-601
References
Metrics cvssV2_0

{'score': 4, 'vector': 'AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Jul 25, 2025, 12:01 PM
Reserved
Jul 24, 2025, 3:24 PM
Status
Analyzed
Published
Jul 25, 2025, 5:15 AM
Modified
Jun 17, 2026, 10:06 AM