PatchTheCVECVE-2026-76401: In Splunk Connect for Kafka versions below 2.2.7, an unauthenticated user who can reach the Kafka Connect Repr
CVE-2026-76401 is a medium-severity flaw (CVSS 5.9) affecting connect for kafka. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In Splunk Connect for Kafka versions below 2.2.7, an unauthenticated user who can reach the Kafka Connect Representational State Transfer (REST) API could configure timestamp extraction with a crafted regular expression and matching event data to block a Kafka Connect worker thread, stopping event delivery for the affected connector. The vulnerability is possible because timestamp extraction evaluates customer-supplied regular expressions without
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 68%) |
| CISA exploited list | No |
| Weakness | CWE-407 |
| Published | 2026-08-19 |
| Last modified | 2026-08-24 |
Last updated 2026-08-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-76401?
connect for kafka: upgrade to 2.2.7. Exact commands for each OS are on this page.
Is CVE-2026-76401 being exploited?
CVE-2026-76401 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-76401 affect?
CVE-2026-76401 affects connect for kafka. Severity is medium (CVSS 5.9). In Splunk Connect for Kafka versions below 2.2.7, an unauthenticated user who can reach the Kafka Connect Representational State Transfer (REST) API could configure timestamp extraction with a crafted regular expression and matching event d
How urgent is CVE-2026-76401?
Priority 34/100. Remotely exploitable, no login, no user action
Software pages
Splunk vulnerabilities · Apache Kafka vulnerabilities
Related CVEs
- CVE-2026-76400 MEDIUM 5.9 UPGRADE In Splunk Connect for Kafka versions below 2.2.7, an unauthenticated user who can reach the Kafka Connect Repr
- CVE-2026-76402 HIGH 8.2 UPGRADE In Splunk Connect for Kafka versions below 2.2.7, an unauthenticated user who can reach the Kafka Connect Repr
- CVE-2026-76403 HIGH 7.4 UPGRADE In Splunk Connect for Kafka versions below 2.2.7, an unauthenticated user positioned in the network path could