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Next.js: Unbounded next/image disk cache growth can exhaust storage

CVSS 4.0 6.9 MEDIUMEUVD CVSS 4.0 6.9 CVSS 4.0 · [email protected] · Secondary 6.9 MEDIUMCVSS 3.1 · [email protected] · Primary 7.5 HIGHCVSS_V4 Publisher rating MODERATEFixed by next 16.1.7Fixed by next 15.5.14KEV status unknown

cve-program · CVE-2026-27980

Published

Next.js is a React framework for building full-stack web applications. Starting in version 10.0.0 and prior to version 16.1.7, the default Next.js image optimization disk cache (`/_next/image`) did not have a configurable upper bound, allowing unbounded cache growth. An attacker could generate many unique image-optimization variants and exhaust disk space, causing denial of service. This is fixed in version 16.1.7 by adding an LRU-backed disk cache with `images.maximumDiskCacheSize`, including eviction of least-recently-used entries when the limit is exceeded. Setting `maximumDiskCacheSize: 0` disables disk caching. If upgrading is not immediately possible, periodically clean `.next/cache/images` and/or reduce variant cardinality (e.g., tighten values for `images.localPatterns`, `images.remotePatterns`, and `images.qualities`).

Read the publisher's advisory

euvd · EUVD-2026-12694

Published

Next.js is a React framework for building full-stack web applications. Starting in version 10.0.0 and prior to version 16.1.7, the default Next.js image optimization disk cache (`/_next/image`) did not have a configurable upper bound, allowing unbounded cache growth. An attacker could generate many unique image-optimization variants and exhaust disk space, causing denial of service. This is fixed in version 16.1.7 by adding an LRU-backed disk cache with `images.maximumDiskCacheSize`, including eviction of least-recently-used entries when the limit is exceeded. Setting `maximumDiskCacheSize: 0` disables disk caching. If upgrading is not immediately possible, periodically clean `.next/cache/images` and/or reduce variant cardinality (e.g., tighten values for `images.localPatterns`, `images.remotePatterns`, and `images.qualities`).

Read the publisher's advisory

nvd · CVE-2026-27980

Published

Next.js is a React framework for building full-stack web applications. Starting in version 10.0.0 and prior to version 16.1.7, the default Next.js image optimization disk cache (`/_next/image`) did not have a configurable upper bound, allowing unbounded cache growth. An attacker could generate many unique image-optimization variants and exhaust disk space, causing denial of service. This is fixed in version 16.1.7 by adding an LRU-backed disk cache with `images.maximumDiskCacheSize`, including eviction of least-recently-used entries when the limit is exceeded. Setting `maximumDiskCacheSize: 0` disables disk caching. If upgrading is not immediately possible, periodically clean `.next/cache/images` and/or reduce variant cardinality (e.g., tighten values for `images.localPatterns`, `images.remotePatterns`, and `images.qualities`).

Read the publisher's advisory

osv · GHSA-3x4c-7xq6-9pq8

Published

## Summary The default Next.js image optimization disk cache (`/_next/image`) did not have a configurable upper bound, allowing unbounded cache growth. ## Impact An attacker could generate many unique image-optimization variants and exhaust disk space, causing denial of service. Note that this does not impact platforms that have their own image optimization capabilities, such as Vercel. ## Patches Fixed by adding an LRU-backed disk cache with `images.maximumDiskCacheSize`, including eviction of least-recently-used entries when the limit is exceeded. Setting `maximumDiskCacheSize: 0` disables disk caching. ## Workarounds If upgrade is not immediately possible: - Periodically clean `.next/cache/images`. - Reduce variant cardinality (e.g., tighten values for `images.localPatterns`, `images.remotePatterns`, and `images.qualities`)

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-27980

Published

next.js

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "vercel",
                    "product": "next.js",
                    "versions": [
                        {
                            "version": ">= 10.0.0, < 16.1.7",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-12694

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Mar 18, 2026, 12:23:34 AM

dateUpdated: Mar 18, 2026, 7:50:12 PM

3 related source bulletins · separate from aliases

RHSA-2026:13571: Red Hat Security Advisory: Streams for Apache Kafka 3.2.0 release and security update

CVE-2024-29371 · CVE-2024-34351 · CVE-2025-61726 · CVE-2025-61729 · CVE-2025-62718 · CVE-2025-68121 · CVE-2026-1002 · CVE-2026-4800 · CVE-2026-23864 · CVE-2026-27980 · CVE-2026-33870 · CVE-2026-33871 · CVE-2026-40175

RHSA-2026:34608: Red Hat Security Advisory: Streams for Apache Kafka 2.9.4 release and security update

CVE-2024-29371 · CVE-2025-13465 · CVE-2025-58056 · CVE-2026-1002 · CVE-2026-4800 · CVE-2026-6860 · CVE-2026-23864 · CVE-2026-24281 · CVE-2026-24308 · CVE-2026-27980 · CVE-2026-33870 · CVE-2026-33871 · CVE-2026-34480 · CVE-2026-39852 · CVE-2026-41240 · CVE-2026-42044 · CVE-2026-42583 · CVE-2026-42587 · CVE-2026-44249 · CVE-2026-44573 · CVE-2026-44574 · CVE-2026-44575 · CVE-2026-44577 · CVE-2026-44578 · CVE-2026-44579 · CVE-2026-44893 · CVE-2026-45109 · CVE-2026-45416 · CVE-2026-45674 · CVE-2026-47691 · CVE-2026-48043 · CVE-2026-48059 · CVE-2026-50010 · CVE-2026-50559

WID-SEC-W-2026-0748: Vercel Next.js: Mehrere Schwachstellen

CVE-2026-27979 · CVE-2026-27980 · CVE-2026-29057 · CVE-2026-27977 · CVE-2026-27978

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-27980

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-400

Original publisher date fields

published: 2026-03-18T01:16:04.957

lastModified: 2026-06-17T10:28:00.700

1 source CPE criteria · context only
  • cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-3x4c-7xq6-9pq8

Published

next

npm

SEMVER · introduced 16.0.0-beta.0 → fixed 16.1.7

next

npm

SEMVER · introduced 10.0.0 → fixed 15.5.14

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 15 Nov 12:11 UTC · 256 of 275 readable · 252 fully read · documentation 469/469 current