CVE-2025-8129

LOW EPSS 13.6%
Published Jul 25, 202511mo ago · Modified Jun 17, 20261w ago
2.0 CVSS 4.0
Low
Find Similar
Published Jul 25, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
2.0
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
13.6% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-601

Affected Products 8

VendorProductVersionRange
koajskoa*≥2.0.0  –  <2.16.2
koajskoa3.0.0any
koajskoa3.0.0any
koajskoa3.0.0any
koajskoa3.0.0any
koajskoa3.0.0any
koajskoa3.0.0any
koajskoa3.0.0any

References 5

  • github.com https://github.com/koajs/koa/issues/1892
    ExploitIssue TrackingPatchVendor Advisory
  • github.com https://github.com/koajs/koa/issues/1892#issue-3213028583
    ExploitIssue TrackingPatchThird Party AdvisoryVendor Advisory
  • vuldb.com https://vuldb.com/?ctiid.317514
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.317514
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.619741
    Third Party AdvisoryVDB Entry

Remediation

  • github.com https://github.com/koajs/koa/issues/1892
    ExploitIssue TrackingPatchVendor Advisory
  • github.com https://github.com/koajs/koa/issues/1892#issue-3213028583
    ExploitIssue TrackingPatchThird Party AdvisoryVendor Advisory