HOMEVULNERABILITIESCVE-2026-34263
CRITICAL

CVE-2026-34263

CWE-459Published: May 12, 2026· Updated: May 15, 2026

9.6
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:6.9th

Official Description

Due to improper Spring Security configuration, SAP Commerce Cloud allows an unauthenticated user to perform malicious input injection, resulting in arbitrary server-side code execution, leading to high impact on Confidentiality, Integrity, and Availability of the application.

NVD Source

Technical Analysis

CVE-2026-34263 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

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 9.6.

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.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeChanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected Vendors & Products

Mentioned vendors (from description):
SAPSpring
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.

All References (2)

Quick Facts

CVE IDCVE-2026-34263
CVSS Score9.6 / 10
SeverityCRITICAL
WeaknessCWE-459
CISA KEVNo
EPSS (30d)0.02%
PublishedMay 12, 2026

Related CVEs (CWE-459)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-34263 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.