How severe is CVE-2025-22873?

CVE-2025-22873 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-22873 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-22873?

CVE-2025-22873 affects Golang Go. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-22873?

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

Does CVE-2025-22873 have an EU (EUVD) identifier?

Yes. CVE-2025-22873 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206863.

When was CVE-2025-22873 published?

CVE-2025-22873 was published on 2026-02-04 and last updated on 2026-06-17.

CVE-2025-22873

CVE-2025-22873 is a low-severity vulnerability in Golang Go with a CVSS 3.x base score of 3.8. 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-23.

Key facts

Severity: Low (CVSS 3.x base score 3.8)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206863
Weakness: CWE-23
Affected product: Golang Go
Published: 2026-02-04
Last modified: 2026-06-17

Description

It was possible to improperly access the parent directory of an os.Root by opening a filename ending in "../". For example, Root.Open("../") would open the parent directory of the Root. This escape only permits opening the parent directory itself, not ancestors of the parent or files contained within the parent.

Frequently asked questions

What is CVE-2025-22873?: It was possible to improperly access the parent directory of an os.Root by opening a filename ending in "../". For example, Root.Open("../") would open the parent directory of the Root. This escape only permits opening the parent directory itself, not ancestors of the parent or files contained within the parent.
How severe is CVE-2025-22873?: CVE-2025-22873 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-22873 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-22873?: CVE-2025-22873 affects Golang Go. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-22873?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-22873 have an EU (EUVD) identifier?: Yes. CVE-2025-22873 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206863.
When was CVE-2025-22873 published?: CVE-2025-22873 was published on 2026-02-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*

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