How severe is CVE-2026-47340?

CVE-2026-47340 has a CVSS score of 6.5/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2026-47340?

CVE-2026-47340 affects the following packages: org.apache.dolphinscheduler:dolphinscheduler-api (Maven). Ecosystems affected: Maven.

How do I fix CVE-2026-47340?

Update org.apache.dolphinscheduler:dolphinscheduler-api to 3.4.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-47340 is resolved across your whole dependency graph.

How do I detect CVE-2026-47340 in my Maven dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.dolphinscheduler:dolphinscheduler-api, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2026-47340 if there is no patch (or I can't update yet)?

Assume what was exposed is already known: rotate any credential, token or key that the affected component could return, restrict the endpoint to callers that genuinely need it, and strip sensitive fields from responses and error output at the boundary rather than relying on the client not to read them.

Is CVE-2026-47340 actively exploited in the wild?

No public exploit code has been indexed for CVE-2026-47340 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2026-47340?

CVE-2026-47340 has an EPSS (Exploit Prediction Scoring System) score of 0.4%, placing it in the 38th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2026-47340?

CVE-2026-47340 is classified as Information Exposure (CWE-200). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2026-47340 published, and has it been updated?

CVE-2026-47340 was published on June 17, 2026 and was last updated on October 28, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

☕

☕ Maven

Not in CISA KEV

MEDIUM severity

CVE-2026-47340 — dolphinscheduler-api

MEDIUM

CVE-2026-47340 is a medium-severity (CVSS 6.5) Information Exposure vulnerability in org.apache.dolphinscheduler:dolphinscheduler-api. A fix is available for org.apache.dolphinscheduler:dolphinscheduler-api — see the affected versions and patch details below.

Apache DolphinScheduler: An incorrect authorization vulnerability allows authenticated users to access alert instances associated with alert groups they do not have permission to access.

Also known asGHSA-694g-j8pj-cjj5

Published

Jun 17, 2026

Updated

Oct 28, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2026-47340.

EPSS Exploitation Probability

via FIRST.org ↗

0.4%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs38th percentile — riskier than 38% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected

☕org.apache.dolphinscheduler:dolphinscheduler-api

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

Allow authenticated users to access alert instances associated with alert groups they do not have permission to access. in Apache DolphinScheduler.

This issue affects Apache DolphinScheduler: before 3.4.2.

Users are recommended to upgrade to version 3.4.2, which fixes the issue.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
☕Maven	`org.apache.dolphinscheduler:dolphinscheduler-api`	all versions	3.4.2`org.apache.dolphinscheduler:dolphinscheduler-api:3.4.2`

Affected Products

1 product · 1 configurations

Application

dolphinschedulerapache

< 3.4.2

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.dolphinscheduler:dolphinscheduler-api, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.apache.dolphinscheduler:dolphinscheduler-api to 3.4.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-47340 is resolved across your whole dependency graph.
Workarounds
Assume what was exposed is already known: rotate any credential, token or key that the affected component could return, restrict the endpoint to callers that genuinely need it, and strip sensitive fields from responses and error output at the boundary rather than relying on the client not to read them.

Frequently Asked Questions

Allow authenticated users to access alert instances associated with alert groups they do not have permission to access. in Apache DolphinScheduler. This issue affects Apache DolphinScheduler: before 3.4.2. Users are recommended to upgrade to version 3.4.2, which fixes the issue.

O3 Security · Impact-Aware SCA

Is CVE-2026-47340 in your dependencies?

Find it across Maven, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

6.5/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Raw vector

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

CWE Classification

CWE-200Information Exposure

Weaponization

No Nuclei template, Metasploit module or public proof-of-concept found.

Timeline

Disclosed

Jun 17, 2026

Last updated

Oct 28, 2026

Identifiers

CVE-2026-47340

GHSA-694g-j8pj-cjj5

References

Advisorygithub.com · CVE 2026 47340.json Advisorylists.apache.org · gx6v1wjb6qg3fzksxomysspy2gw54ooc Advisorynvd.nist.gov · CVE 2026 47340 Webopenwall.com Webrepo.maven.apache.org · maven2 Packagegithub.com · dolphinscheduler

Related vulnerabilities

This CVE is medium severity; 8 of 8 other CVEs affecting dolphinscheduler-api are rated as high or higher (top: critical).

CVE-2026-32967CVE-2026-32966CVE-2026-41280CVE-2026-42357CVE-2023-49620CVE-2023-49068CVE-2023-25601CVE-2020-13922

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedOct 28, 2026

CVE-2026-47340 — dolphinscheduler-api

Exploitation Status

No confirmed exploitation observed yet

EPSS Exploitation Probability

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

Description

Affected Packages

Affected Products

Detection & mitigation playbook

Detect

Fix

Workarounds

Frequently Asked Questions

Is CVE-2026-47340 in your dependencies?