CVE-2026-27687Network attack vector

Cross-company data disclosure via missing authorization check

Published Mar 10, 2026 · Updated Mar 10, 2026

Missing authorization in SAP S/4HANA HCM Portugal and SAP ERP HCM Portugal allows remote authenticated users to read other-company data. SAP identifies the affected HCM Portugal authorization path but has not published the specific transaction, function, or failed check. High privileges and a network-reachable session are required; exploitation discloses sensitive data without changing it or interrupting service.

CVSS severity5.8
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in SAP S/4HANA HCM Portugal and SAP ERP HCM Portugal allows remote authenticated users to read other-company data. SAP identifies the affected HCM Portugal authorization path but has not published the specific transaction, function, or failed check. High privileges and a network-reachable session are required; exploitation discloses sensitive data without changing it or interrupting service.

The record

CVE
CVE-2026-27687
Published
Mar 10, 2026
Updated
Mar 10, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-862, T1213
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.8SAP SECVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1213Data from Information Repositories

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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