CVE-2026-31216: The nexent v1.7.5.2 backend service contains an unauthorized arbitrary storage file deletion vulnerability in

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CRITICAL 9.1REMOTEDOWNGRADE

CVE-2026-31216 is a critical-severity flaw (CVSS 9.1) affecting nexent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The nexent v1.7.5.2 backend service contains an unauthorized arbitrary storage file deletion vulnerability in its file management API. The DELETE /storage/{object_name:path} endpoint lacks authentication, authorization, and input validation mechanisms. Unauthenticated remote attackers can send crafted requests with a user-controlled object_name path parameter to delete arbitrary files from the underlying MinIO storage system. Successful exploitat

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-552
Published	2026-05-12
Last modified	2026-10-19

Publisher (CNA): MITRE · Vendor: nexent

Last updated 2026-10-19 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-12 16:16 UTCPublished CVE record published
2026-10-19 22:10 UTCUpdated Record last modified

nexent nexent DOWNGRADE

Affected: 1.7.5.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.7.5.2

1. Check installed version

apt-cache policy nexent || rpm -q nexent || nexent --version

2. No fixed release: DOWNGRADE to a release before 1.7.5.2 (Debian / Ubuntu)

apt-cache madison nexent sudo apt install nexent=<VERSION_BEFORE_1.7.5.2> sudo apt-mark hold nexent

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list nexent sudo dnf downgrade nexent-<VERSION_BEFORE_1.7.5.2> sudo dnf versionlock add nexent

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-31216?

nexent: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-31216 being exploited?

CVE-2026-31216 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-2026-31216 affect?

CVE-2026-31216 affects nexent. Severity is critical (CVSS 9.1). The nexent v1.7.5.2 backend service contains an unauthorized arbitrary storage file deletion vulnerability in its file management API. The DELETE /storage/{object_name:path} endpoint lacks authentication, authorization, and input validation

How urgent is CVE-2026-31216?

Priority 45/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

MinIO vulnerabilities

Related CVEs

CVE-2026-31215 CRITICAL 9.1 DOWNGRADE The nexent v1.7.5.2 backend service contains an unauthorized arbitrary file deletion vulnerability in its Elas

References

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