VulnerabilityPublished 18 Sep 2026Updated 15 Oct 2026

CVE-2026-93574: Red Hat AMQ Broker 7 · HTTP Request/Response Smuggling

Affects Red Hat AMQ Broker 7Source CVE Database V5

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Not known to be exploited · CVSS 6.5 Medium.

Data as of 1 Nov 2026, 22:58 UTC

CVSS 3.1 base score

6.5Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 1.3% chance of exploitation in 30 days – higher than 71% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

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

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: Low

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: None: There is no loss of confidentiality within the impacted component.
Integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on the impacted component.
Availability: Low: Performance is reduced or there are interruptions in resource availability. Even if repeated exploitation of the vulnerability is possible, the attacker does not have the ability to completely deny service to legitimate users. The resources in the impacted component are either partially available all of the time, or fully available only some of the time, but overall there is no direct, serious consequence to the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 18 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 1 Nov 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
Red HatRed Hat Build of Debezium 3.6	Affected–	Fixed in–
Red HatRed Hat build of Quarkus 3.27.5.SP2	Affected–	Fixed in–
Red HatRed Hat build of Quarkus 3.33.3.SP2	Affected–	Fixed in–
Red HatRed Hat AMQ Broker 7	Affected–	Fixed in–
Red HatRed Hat AMQ Clients	Affected–	Fixed in–
Red HatRed Hat build of Apache Camel 4 for Quarkus 3	Affected–	Fixed in–

AI-suggested

Red Hat has released an important security update in Red Hat build of Quarkus 3.27.5.SP2 that addresses CVE-2026-93574 along with other vulnerabilities. Users should apply this update to remediate the issue. Before applying the update, ensure all previously released errata relevant to your system have been applied. Refer to the Red Hat advisory RHSA-2026:69470 for detailed update instructions. Patch status is confirmed as fixed in this update.

Description

CVE-2026-93574 is a medium severity vulnerability in the Netty netty-codec-http component used by Red Hat Build of Debezium 3.6. It involves incorrect parsing of HTTP/1.1 chunk-size tokens that include post-digit whitespace, leading to HTTP request smuggling. This flaw could allow remote attackers to bypass security controls or access unauthorized resources in proxy or backend deployments. Red Hat has issued a security advisory addressing this and related vulnerabilities in Red Hat build of Quarkus 3.27.5.SP2 with an important security update.

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 17 Oct 2026, 20:15 UTC

Technical details

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