CVE-2026-7328Unverified AXI Address in Subsystem Mode Commands Enables Denial of Service
Updated under an hour ago ()
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It affects Caliptra Core Runtime Firmware. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Missing authorization in Caliptra Core Runtime Firmware (INVOKE_DPE_MLDSA87, CM_AES_GCM_DECRYPT_DMA, EXTERNAL_MAILBOX_CMD commands) in subsystem mode allows a privileged local attacker to cause a denial of service via mailbox commands containing unverified AXI addresses. The security impact beyond availability is integration-specific. This issue affects Core Runtime Firmware: 2.1.0.
- CVSS
- 6.8 MEDIUM (v4.0, CNA)CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:L/SA:N
- Weakness (CWE)
- CWE-862
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Caliptra
- NVD analysis
- Awaiting Analysis
- Record last updated
- Jul 22, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Caliptra Core Runtime Firmware caliptra:core_runtime_firmware (from the name) | 2.1.0; 2.1.1 not affected | CNA record |
References
- https://github.com/chipsalliance/caliptra-sw/security/advisories/GHSA-c5v4-q445-wv84
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.