Dashboard / CVE-2026-27690

CVE-2026-27690

CRITICAL
INFO Priority: 0.06 BB Relevance: 78/100
Published: 2026-07-14 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: None
A: High

Description

Due to an HTTP Request Smuggling vulnerability in SAP Approuter, an unauthenticated attacker could send a specially crafted HTTP request that leads to request-response desynchronization. This could result in the exposure of user responses and cause the system to become unavailable. This leads to a high impact on confidentiality and availability.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
sap approuter < 20.10.0

References & Advisories (2)

https://me.sap.com/notes/3720138
Permissions Required

Bug Bounty Relevance

78 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS — Exploitation Probability

0.68%
Raw Score 0.006820
Percentile 52.4%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00682
2026-10-28
0.00682

Intelligence Sources

nvd ref →

External Links