CVE-2026-80312Public exploitNetwork attack vectorHinoki check available

Authentication bypass via fail-open OAuth processors

Published Oct 19, 2026 · Updated Oct 19, 2026

Authentication bypass in Apache Camel OAuth processors allows remote attackers to reach protected endpoints via unauthenticated requests. OAuthBearerTokenProcessor and code-flow processors return from authentication denial paths without stopping the exchange, allowing subsequent route steps to execute and overwrite the error response. Exposure requires a route guarded by these processors; no prior access is required, and consequences depend on the protected operations that follow.

CVSS severityUnavailable
Unscored
EPSS probabilityUnavailable
No score available in this record
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Authentication bypass in Apache Camel OAuth processors allows remote attackers to reach protected endpoints via unauthenticated requests. OAuthBearerTokenProcessor and code-flow processors return from authentication denial paths without stopping the exchange, allowing subsequent route steps to execute and overwrite the error response. Exposure requires a route guarded by these processors; no prior access is required, and consequences depend on the protected operations that follow.

The record

CVE
CVE-2026-80312
Published
Oct 19, 2026
Updated
Oct 19, 2026
Vendor
The Apache Software Foundation
Product
Apache Camel
Classifications
CWE-287, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 19, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 19, 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=4.11.0 <4.18.5
  2. Affected versionversion=4.19.0 <4.22.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

The Apache Software Foundation · Apache Camelversion=4.11.0 <4.18.5; version=4.19.0 <4.22.1

Published CVSS scores

No CVSS assessment is available in this record.

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.

Activity data is delayed. The latest report is Sep 28, 2026.

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

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-287Improper Authentication
T1190Exploit Public-Facing Application

Public exploit references

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

Technologies

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Your stack

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