How severe is CVE-2025-68157?

CVE-2025-68157 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-68157 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-68157?

CVE-2025-68157 affects Webpack.js Webpack. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-68157?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-68157 have an EU (EUVD) identifier?

Yes. CVE-2025-68157 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206880.

When was CVE-2025-68157 published?

CVE-2025-68157 was published on 2026-02-05 and last updated on 2026-06-17.

CVE-2025-68157

CVE-2025-68157 is a low-severity vulnerability in Webpack.js Webpack with a CVSS 3.x base score of 3.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206880
Weakness: CWE-918
Affected product: Webpack.js Webpack
Published: 2026-02-05
Last modified: 2026-06-17

Description

Webpack is a module bundler. From version 5.49.0 to before 5.104.0, when experiments.buildHttp is enabled, webpack’s HTTP(S) resolver (HttpUriPlugin) enforces allowedUris only for the initial URL, but does not re-validate allowedUris after following HTTP 30x redirects. As a result, an import that appears restricted to a trusted allow-list can be redirected to HTTP(S) URLs outside the allow-list. This is a policy/allow-list bypass that enables build-time SSRF behavior (requests from the build machine to internal-only endpoints, depending on network access) and untrusted content inclusion in build outputs (redirected content is treated as module source and bundled). This issue has been patched in version 5.104.0.

Frequently asked questions

What is CVE-2025-68157?: Webpack is a module bundler. From version 5.49.0 to before 5.104.0, when experiments.buildHttp is enabled, webpack’s HTTP(S) resolver (HttpUriPlugin) enforces allowedUris only for the initial URL, but does not re-validate allowedUris after following HTTP 30x redirects. As a result, an import that appears restricted to a trusted allow-list can be redirected to HTTP(S) URLs outside the allow-list. This is a policy/allow-list bypass that enables build-time SSRF behavior (requests from the build machine to internal-only endpoints, depending on network access) and untrusted content inclusion in build outputs (redirected content is treated as module source and bundled). This issue has been patched in version 5.104.0.
How severe is CVE-2025-68157?: CVE-2025-68157 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-68157 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-68157?: CVE-2025-68157 affects Webpack.js Webpack. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-68157?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-68157 have an EU (EUVD) identifier?: Yes. CVE-2025-68157 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206880.
When was CVE-2025-68157 published?: CVE-2025-68157 was published on 2026-02-05 and last updated on 2026-06-17.

References

https://github.com/webpack/webpack/security/advisories/GHSA-38r7-794h-5758

Affected products (1)

cpe:2.3:a:webpack.js:webpack:*:*:*:*:*:node.js:*:*

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