How severe is CVE-2026-27677?

CVE-2026-27677 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-27677 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-27677?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-27677 have an EU (EUVD) identifier?

Yes. CVE-2026-27677 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22149.

When was CVE-2026-27677 published?

CVE-2026-27677 was published on 2026-04-14 and last updated on 2026-06-17.

CVE-2026-27677

CVE-2026-27677 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22149
Weakness: CWE-862
Published: 2026-04-14
Last modified: 2026-06-17

Description

Due to missing authorization checks in the SAP S/4HANA OData Service (Manage Reference Equipment), an attacker could update and delete child entities via OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.

Frequently asked questions

What is CVE-2026-27677?: Due to missing authorization checks in the SAP S/4HANA OData Service (Manage Reference Equipment), an attacker could update and delete child entities via OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.
How severe is CVE-2026-27677?: CVE-2026-27677 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-27677 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-27677?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27677 have an EU (EUVD) identifier?: Yes. CVE-2026-27677 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22149.
When was CVE-2026-27677 published?: CVE-2026-27677 was published on 2026-04-14 and last updated on 2026-06-17.

References

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