CVE-2026-40180: Quarkus OpenAPI Generator is Quarkus' extensions for generation of Rest Clients and server stubs generation

Q: How do I fix CVE-2026-40180?

quarkus openapi generator: upgrade to 2.15.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-40180 being exploited?

CVE-2026-40180 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-40180 affect?

CVE-2026-40180 affects quarkus openapi generator. Severity is high (CVSS 7.5). Quarkus OpenAPI Generator is Quarkus' extensions for generation of Rest Clients and server stubs generation. Prior to 2.16.0 and 2.15.0-lts, the unzip() method in ApicurioCodegenWrapper.java extracts ZIP entries without validating that the

Q: How urgent is CVE-2026-40180?

Priority 44/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2026-40180 is a high-severity flaw (CVSS 7.5) affecting quarkus openapi generator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Quarkus OpenAPI Generator is Quarkus' extensions for generation of Rest Clients and server stubs generation. Prior to 2.16.0 and 2.15.0-lts, the unzip() method in ApicurioCodegenWrapper.java extracts ZIP entries without validating that the resolved file path stays within the intended output directory. At line 101, the destination is constructed as new File(toOutputDir, entry.getName()) and the content is written immediately. A malicious ZIP archi

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-04-10
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: quarkiverse

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-10 20:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

quarkiverse quarkus openapi generator UPGRADE

Affected: < 2.15.0 · 2.15.0

Fixed in: 2.15.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy quarkus-openapi-generator || rpm -q quarkus-openapi-generator || quarkus-openapi-generator --version

2. UPGRADE to 2.15.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade quarkus-openapi-generator

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade quarkus-openapi-generator

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-40180?

quarkus openapi generator: upgrade to 2.15.0. Exact commands for each OS are on this page.

Is CVE-2026-40180 being exploited?

CVE-2026-40180 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-40180 affect?

CVE-2026-40180 affects quarkus openapi generator. Severity is high (CVSS 7.5). Quarkus OpenAPI Generator is Quarkus' extensions for generation of Rest Clients and server stubs generation. Prior to 2.16.0 and 2.15.0-lts, the unzip() method in ApicurioCodegenWrapper.java extracts ZIP entries without validating that the

How urgent is CVE-2026-40180?

Priority 44/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities

References

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