9.5

GHSA-2XP9-VWFH-VXW4: next Npm

CVSS: 9.5v4.0CriticalPublished
Published 08-09-2026Last modified 08-09-2026
Open JSON

Vulnerability summary

GHSA-2XP9-VWFH-VXW4 is a critical (CVSS 9.5) vulnerability in next Npm.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.5/10
010
Critical · v4.0 (OSV · Npm), selected by version preference
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 12
CGA-227X-5WPH-MV2HCGA-36CH-6JQ2-H4V3CGA-6M6P-354J-2GQMCGA-79RF-6C2Q-W4CCCGA-C32P-FR65-7FGJCGA-CCPF-9QRC-MR69

Timeline

  1. 08-09-2026
    PublishedVulnerability first disclosed.
  2. 08-09-2026
    Last modifiedVulnerability information updated.

Description

Next.js: Unauthenticated Remote Code Execution in Image Optimization API when AVIF files are used A vulnerability in the underlying `libheif` library used by `sharp` which Next.js uses for image optimization can lead to remote code execution when AVIF files are optimized. Until a fix has propagated, optimization of AVIF files is disabled.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Npm1 product
  • next≥ 10.0.0, < 15.5.24 | ≥ 16.0.0, < 16.3.3

1 vendor · 1 product

References

10 links