CVE-2026-40129

CVE-2026-40129 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-94.

Key facts

Description

Due to a Code Injection vulnerability in SAP Application Server ABAP for SAP NetWeaver and ABAP Platform, an authenticated attacker could send specially crafted inputs to the application. If processed by the application, this input could be delivered to users subscribed to the channel and result in execution. Successful exploitation could enable the attacker to execute arbitrary code for other users, resulting in a low impact on the integrity, with no impact to the confidentiality and availability of the system.

Frequently asked questions

What is CVE-2026-40129?
Due to a Code Injection vulnerability in SAP Application Server ABAP for SAP NetWeaver and ABAP Platform, an authenticated attacker could send specially crafted inputs to the application. If processed by the application, this input could be delivered to users subscribed to the channel and result in execution. Successful exploitation could enable the attacker to execute arbitrary code for other users, resulting in a low impact on the integrity, with no impact to the confidentiality and availability of the system.
How severe is CVE-2026-40129?
CVE-2026-40129 has a CVSS 3.x base score of 4.3, 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 low, and availability none.
Is CVE-2026-40129 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-40129?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40129 have an EU (EUVD) identifier?
Yes. CVE-2026-40129 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29361.
When was CVE-2026-40129 published?
CVE-2026-40129 was published on 2026-05-12 and last updated on 2026-06-17.

References

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