INTEL_REPORT
CISA Cybersecurity Advisories · published 5/14/2026, 12:00:00 PM · TLP amber
Summary
Ingested excerpt (first ~500 chars of normalized text).
Siemens Opcenter RDnL View CSAF Summary Opcenter RDnL is affected by missing authentication in critical function in ‘ActiveMQ Artemis’. An unauthenticated attacker within the adjacent network could use the Core protocol to force a target broker to establish an outbound Core federation connection to an attacker-controlled rogue broker. This could potentially result in availability impacts or message injection into any queue via the rogue broker. Breaking the integrity of a me…
https://www.cisa.gov/news-events/ics-advisories/icsa-26-134-09
sha256:919a0a56cb0ce15d1fc0b78b1c53137b16a272c5597b95c17994b6e3cbfbbcd8
What we pulled out
Deterministic extractor (IOC + allowlisted tokens + ATT&CK IDs present in DB).
Indicators
Linked with report → mentions → indicator. Values open the indicator workspace.
Malware families
Allowlist token matches only.
Threat actors mentioned
Allowlist mentions — not a formal attribution verdict.
ATT&CK techniques
MITRE IDs referenced in text and present in local technique table.
CONTINUE INVESTIGATION
High-signal pivots without leaving the thread you started in search.
Browse the report corpus.
Neighborhood from the first linked indicator.
| url |
| https://www.siemens.com/industrialsecurity |
| Open → |
| url | https://www.siemens.com/cert/advisories | Open → |
| url | https://www.siemens.com/productcert/terms-of-use | Open → |
| domain | artemis.apache.org | Open → |
| domain | intercepting-operations.html | Open → |
| url | https://artemis.apache.org/components/artemis/documentation/latest/intercepting-operations.html | Open → |
| cve | CVE-2026-27446 | Open → |