Threat Intelligence / CVE / CVE-2026-34263

CVE-2026-34263 — SAP_SE SAP Commerce cloud configuration

CVSS v3.1 9.6 (CRITICAL) · EPSS 0.0% (higher than 8.0% of all scored CVEs) · Priority 5.1/10 · Published 2026-05-12

As of 2026-05-15, CVE-2026-34263 is a CRITICAL-severity vulnerability in SAP_SE SAP Commerce cloud configuration, CVSS v3.1 9.6, EPSS 0.0% (8.0th percentile). Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2026-34263, most recently “SAP Patches Critical Code Injection, Memory Corruption Vulnerabilities (CVE-2026-58231, CVSS 10.0)”.

Last updated: 2026-05-15

What is CVE-2026-34263?

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.

The record classifies CVE-2026-34263 under weakness class CWE-459. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 123 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 9.6 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS (FIRST): 0.0% probability of exploitation in the next 30 days, higher than 8.0% of all scored CVEs
CISA KEV: Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority: 5.1/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published: 2026-05-12, last modified 2026-05-15

Is CVE-2026-34263 being exploited?

It currently carries a trending score of 7 in the Threadlinqs vulnerability feed.

Affected products and versions

SAP_SE: SAP Commerce cloud configuration

How to fix CVE-2026-34263

No vendor patch reference has been recorded for CVE-2026-34263 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-34263

2 tracked threats in the Threadlinqs corpus reference CVE-2026-34263, either in the campaign’s CVE list or as an indicator on the campaign record.

SAP Patches Critical Code Injection, Memory Corruption Vulnerabilities (CVE-2026-58231, CVSS 10.0) — CRITICAL · 2026-08-11
SAP May 2026 HotNews — CVE-2026-34263 Commerce Cloud Unauthenticated RCE & CVE-2026-34260 S/4HANA Enterprise Search SQL Injection (CVSS 9.6) — CRITICAL · 2026-05-12

Sources

Seeded from cveorg and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

Full detection coverage & IOCs for threats exploiting CVE-2026-34263 are available via the Threadlinqs MCP server (Purple tier). View plans →

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