CVE-2025-6087: A Server-Side Request Forgery (SSRF) vulnerability was identified in the @opennextjs/cloudflare package

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CRITICAL 9.1REMOTEUPGRADEUPGRADE

CVE-2025-6087 is a critical-severity flaw (CVSS 9.1) affecting create-cloudflare, opennext for cloudflare. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Server-Side Request Forgery (SSRF) vulnerability was identified in the @opennextjs/cloudflare package. The vulnerability stems from an unimplemented feature in the Cloudflare adapter for Open Next, which allowed unauthenticated users to proxy arbitrary remote content via the /_next/image endpoint. This issue allowed attackers to load remote resources from arbitrary hosts under the victim site’s domain for any site deployed using the Cloudflare

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-918
Published	2025-06-16
Last modified	2026-06-17

Publisher (CNA): Cloudflare, Inc. · Vendor: cloudflare · opennextjs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-06-16 19:15 UTCPublished CVE record published
2026-06-17 10:01 UTCUpdated Record last modified

cloudflare create-cloudflare UPGRADE

Affected: < 2.49.3

Fixed in: 2.49.3

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls create-cloudflare

2. UPGRADE to 2.49.3

npm install create-cloudflare@">=2.49.3"

opennextjs opennext for cloudflare UPGRADE

Affected: < 1.3.0

Fixed in: 1.3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls opennext-for-cloudflare

2. UPGRADE to 1.3.0

npm install opennext-for-cloudflare@">=1.3.0"

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-2025-6087?

create-cloudflare: upgrade to 2.49.3; opennext for cloudflare: upgrade to 1.3.0. Exact commands for each OS are on this page.

Is CVE-2025-6087 being exploited?

CVE-2025-6087 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-2025-6087 affect?

CVE-2025-6087 affects create-cloudflare, opennext for cloudflare. Severity is critical (CVSS 9.1). A Server-Side Request Forgery (SSRF) vulnerability was identified in the @opennextjs/cloudflare package. The vulnerability stems from an unimplemented feature in the Cloudflare adapter for Open Next, which allowed unauthenticated users to p

How urgent is CVE-2025-6087?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Cloudflare vulnerabilities

References

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