HOMEVULNERABILITIESCVE-2026-27685
CRITICAL

CVE-2026-27685

CWE-502Published: March 10, 2026· Updated: Mar 11, 2026

9.1
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:13.3th

Official Description

SAP NetWeaver Enterprise Portal Administration is vulnerable if a privileged user uploads untrusted or malicious content that, upon deserialization, could result in a high impact on the confidentiality, integrity, and availability of the host system.

NVD Source

Technical Analysis

CVE-2026-27685 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.1.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeChanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected Vendors & Products

Mentioned vendors (from description):
SAP
CPE data not yet available in NVD for this CVE.

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

News & Research Mentioning CVE-2026-27685

Dozens of Vendors Patch Security Flaws Across Enterprise Software and Network Devices
The Hacker News· Mar 11, 2026

SAP has released security updates to address two critical security flaws that could be exploited to achieve arbitrary code execution on affected systems. The vulnerabilities in question listed below - CVE-2019-17571 (CVSS score: 9.8) - A code injection vulnerability in SAP Quotation Management Insurance application (FS-QUO) CVE-2026-27685 (CVSS score: 9.1) - An insecure deserialization [xlite_meta score:53 src:The Hacker News xlite_fp:5d08097eaab77c5689cf72cb1272689a269ee25261173b90492bbaa165c3bcc5]

All References (2)

Quick Facts

CVE IDCVE-2026-27685
CVSS Score9.1 / 10
SeverityCRITICAL
WeaknessCWE-502
CISA KEVNo
EPSS (30d)0.04%
PublishedMar 10, 2026

Known Threat Actors

wa
financial
core
financial
J
financial

Related CVEs (CWE-502)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-27685 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.