How severe is CVE-2026-58239?

CVE-2026-58239 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-58239 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-58239?

CVE-2026-58239 affects Sap Approuter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-58239?

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

When was CVE-2026-58239 published?

CVE-2026-58239 was published on 2026-08-11 and last updated on 2026-09-08.

CVE-2026-58239

CVE-2026-58239 is a low-severity vulnerability in Sap Approuter with a CVSS 3.x base score of 3.7. 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-807.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-807
Affected product: Sap Approuter
Published: 2026-08-11
Last modified: 2026-09-08

Description

SAP Approuter does not sufficiently validate tenant context in inbound requests. An unauthenticated attacker could send specially crafted requests to spoof the tenant context under conditions not fully within their control. Successful exploitation could allow limited access to another tenant's information, resulting in a low impact on confidentiality. There is no impact on integrity and availability.

Frequently asked questions

What is CVE-2026-58239?: SAP Approuter does not sufficiently validate tenant context in inbound requests. An unauthenticated attacker could send specially crafted requests to spoof the tenant context under conditions not fully within their control. Successful exploitation could allow limited access to another tenant's information, resulting in a low impact on confidentiality. There is no impact on integrity and availability.
How severe is CVE-2026-58239?: CVE-2026-58239 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-58239 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-58239?: CVE-2026-58239 affects Sap Approuter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-58239?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-58239 published?: CVE-2026-58239 was published on 2026-08-11 and last updated on 2026-09-08.

References

Affected products (1)

cpe:2.3:a:sap:approuter:*:*:*:*:*:node.js:*:*

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