CVE-2022-25907

criticalpriority · track · 40EPSS 0.019 · 80 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.90% (80th) EPSS

CVSS 9.8 · critical

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

The package ts-deepmerge before 2.0.2 are vulnerable to Prototype Pollution due to missing sanitization of the merge function.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · report@snyk.ioexploitability 3.9 · impact 3.6

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1321USprimaryCWE-1321US

affected products (3)

Products and version ranges known to be affected.

n/a ts-deepmergeunspecified → 2.0.2enisa_euvdEU
typescript deep merge project typescript deep merge< 2.0.2nvdUScpe:2.3:a:typescript_deep_merge_project:typescript_deep_merge:*:*:*:*:*:*:*:*
npm ts-deepmerge< 2.0.2osvUSpkg:npm/ts-deepmerge

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-7qqq-gh2f-wq76ts-deepmerge before 2.0.2 vulnerable to Prototype Pollution2022-08-10ghsa · osvUS
The package ts-deepmerge before version 2.0.2 is vulnerable to Prototype Pollution due to missing sanitization of the `merge` function.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2022-08-09modified 2026-06-17

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+703 more

references (10)

External citations — patches, advisories, analysis.

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