CVE-2026-23686

CVE-2026-23686 is a low-severity vulnerability in Sap Netweaver Application Server Java with a CVSS 3.x base score of 3.4. 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-436.

Key facts

Description

Due to a CRLF Injection vulnerability in SAP NetWeaver Application Server Java, an authenticated attacker with administrative access could submit specially crafted content to the application. If processed by the application, this content enables injection of untrusted entries into generated configuration, allowing manipulation of application-controlled settings. Successful exploitation leads to a low impact on integrity, while confidentiality and availability remain unaffected.

Frequently asked questions

What is CVE-2026-23686?
Due to a CRLF Injection vulnerability in SAP NetWeaver Application Server Java, an authenticated attacker with administrative access could submit specially crafted content to the application. If processed by the application, this content enables injection of untrusted entries into generated configuration, allowing manipulation of application-controlled settings. Successful exploitation leads to a low impact on integrity, while confidentiality and availability remain unaffected.
How severe is CVE-2026-23686?
CVE-2026-23686 has a CVSS 3.x base score of 3.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-23686 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23686?
CVE-2026-23686 affects Sap Netweaver Application Server Java. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-23686?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-23686 have an EU (EUVD) identifier?
Yes. CVE-2026-23686 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6461.
When was CVE-2026-23686 published?
CVE-2026-23686 was published on 2026-02-10 and last updated on 2026-06-17.

References

Affected products (1)

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