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🛡️ CVE-2026-5818

⚪ Unknown ✅ No Known Exploit CWE-253 NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Incorrect check of function return value in Caliptra Core Runtime Firmware (ActivateFirmwareCmd::activate_fw modules) allows bypass of Caliptra Core's verification of the MCU FW during a hitless update.

This issue affects Core Runtime Firmware: from 2.0.0 through 2.0.1, 2.1.0.

Weakness class

CVE-2026-5818 is classified as CWE-253: Incorrect Check of Function Return Value. The product incorrectly checks a return value from a function, which prevents it from detecting errors or exceptional conditions.

Affected software

CVE-2026-5818 is recorded against 1 package.

  • unknown

Timeline and source

Published on 24 June 2026 and last revised on 25 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com

Other advisories for this package

unknown has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-253: Incorrect Check of Function Return Value) in other software:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE CWE-253
Public Exploit ✅ No
Source NVD
Published 2026-06-24
Updated 2026-08-20
Modified 2026-06-25
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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