CVE-2026-23688 | Missing Authorization check in SAP Fiori App (Manage Service Entry Sheets - Lean Services)

SAP Fiori App Manage Service Entry Sheets does not perform necessary authorization checks for an authenticated user, resulting in escalation of privileges. This has low impact on integrity, confidentiality and availability are not impacted.

Published: 2026-02-09 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2026-23688 is rated Low Risk (19.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.16%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-23688

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.05% 0.16% +0.11%
2 2026-06-12 0.03% 0.05% +0.03%
3 2026-02-10 0.03%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-23688

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 1.4 [email protected]

Weakness enumeration for CVE-2026-23688

Affected software / configurations for CVE-2026-23688

Vendor Product Version Raw CPE
sap s4core 102 cpe:2.3:a:sap:s4core:102:*:*:*:*:*:*:*
sap s4core 103 cpe:2.3:a:sap:s4core:103:*:*:*:*:*:*:*
sap s4core 104 cpe:2.3:a:sap:s4core:104:*:*:*:*:*:*:*
sap s4core 105 cpe:2.3:a:sap:s4core:105:*:*:*:*:*:*:*
sap s4core 106 cpe:2.3:a:sap:s4core:106:*:*:*:*:*:*:*
sap s4core 107 cpe:2.3:a:sap:s4core:107:*:*:*:*:*:*:*

References for CVE-2026-23688

URL Tags
https://me.sap.com/notes/3215823 Permissions Required
https://url.sap/sapsecuritypatchday Vendor Advisory
cvelogic Threat Intelligence