CVE-2026-7254Network attack vector

Unauthenticated interruption of BMC HTTPS service

Published May 27, 2026 · Updated May 27, 2026

Denial of service in IBM OpenBMC FW1110.00 through FW1110.11 allows remote attackers to interrupt the BMC HTTPS service. IBM has not disclosed which HTTPS request or quantity field is mishandled, or whether the resulting interruption is a hang or crash. Network access to the BMC HTTPS interface is sufficient; no authentication or user interaction is required, and no confidentiality or integrity impact is reported.

CVSS severity5.3
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in IBM OpenBMC FW1110.00 through FW1110.11 allows remote attackers to interrupt the BMC HTTPS service. IBM has not disclosed which HTTPS request or quantity field is mishandled, or whether the resulting interruption is a hang or crash. Network access to the BMC HTTPS interface is sufficient; no authentication or user interaction is required, and no confidentiality or integrity impact is reported.

The record

CVE
CVE-2026-7254
Published
May 27, 2026
Updated
May 27, 2026
Vendor
OpenBMC Project
Product
OpenBMC
Classifications
CWE-1284, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 27, 2026CVE publishedPublication date reported by the CVE source.
  2. May 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=FW1110.00 <=FW1110.11

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

OpenBMC Project · OpenBMCversion=FW1110.00 <=FW1110.11

Published CVSS scores

5.3IBMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1284Improper Validation of Specified Quantity in Input
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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