How severe is CVE-2022-25907?

CVE-2022-25907 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-25907 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-25907?

CVE-2022-25907 affects Typescript Deep Merge Project Typescript Deep Merge. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-25907?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-25907 published?

CVE-2022-25907 was published on 2022-08-09 and last updated on 2026-06-17.

CVE-2022-25907

CVE-2022-25907 is a high-severity vulnerability in Typescript Deep Merge Project Typescript Deep Merge with a CVSS 3.x base score of 7.5. 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-1321.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1321
Affected product: Typescript Deep Merge Project Typescript Deep Merge
Published: 2022-08-09
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2022-25907?: The package ts-deepmerge before 2.0.2 are vulnerable to Prototype Pollution due to missing sanitization of the merge function.
How severe is CVE-2022-25907?: CVE-2022-25907 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-25907 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-25907?: CVE-2022-25907 affects Typescript Deep Merge Project Typescript Deep Merge. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-25907?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-25907 published?: CVE-2022-25907 was published on 2022-08-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:typescript_deep_merge_project:typescript_deep_merge:*:*:*:*:*:node.js:*:*

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