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Fencer Intel
high 8.1

CVE-2025-24876 json

Authentication bypass via authorization code injection in SAP Approuter

published last yr. modified 4mo ago also GHSA-cpfx-964w-4jvp , EUVD-2025-3971

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits
0
none known

Summary

The SAP Approuter Node.js package version v16.7.1 and before is vulnerable to Authentication bypass. When trading an authorization code an attacker can steal the session of the victim by injecting malicious payload causing High impact on confidentiality and integrity of the application

Patch / fix

  • npm @sap/approuter 16.7.2

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
GitHub 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
npm @sap/approuter
>=2.6.1, <16.7.2
16.7.2

Affected products

  • SAP_SE SAP Approuter Node.js package

Classification

Weakness
  • CWE-1287 Improper Validation of Specified Type of Input
  • CWE-302 Authentication Bypass by Assumed-Immutable Data
  • CWE-601 URL Redirection to Untrusted Site

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.