How severe is CVE-2025-0913?

CVE-2025-0913 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2025-0913 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-0913?

CVE-2025-0913 affects Golang Go. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-0913?

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

Does CVE-2025-0913 have an EU (EUVD) identifier?

Yes. CVE-2025-0913 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18139.

When was CVE-2025-0913 published?

CVE-2025-0913 was published on 2025-06-11 and last updated on 2026-06-17.

CVE-2025-0913

CVE-2025-0913 is a medium-severity vulnerability in Golang Go with a CVSS 3.x base score of 5.5. 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-59.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18139
Weakness: CWE-59
Affected product: Golang Go
Published: 2025-06-11
Last modified: 2026-06-17

Description

os.OpenFile(path, os.O_CREATE|O_EXCL) behaved differently on Unix and Windows systems when the target path was a dangling symlink. On Unix systems, OpenFile with O_CREATE and O_EXCL flags never follows symlinks. On Windows, when the target path was a symlink to a nonexistent location, OpenFile would create a file in that location. OpenFile now always returns an error when the O_CREATE and O_EXCL flags are both set and the target path is a symlink.

Frequently asked questions

What is CVE-2025-0913?: os.OpenFile(path, os.O_CREATE|O_EXCL) behaved differently on Unix and Windows systems when the target path was a dangling symlink. On Unix systems, OpenFile with O_CREATE and O_EXCL flags never follows symlinks. On Windows, when the target path was a symlink to a nonexistent location, OpenFile would create a file in that location. OpenFile now always returns an error when the O_CREATE and O_EXCL flags are both set and the target path is a symlink.
How severe is CVE-2025-0913?: CVE-2025-0913 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2025-0913 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-0913?: CVE-2025-0913 affects Golang Go. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-0913?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-0913 have an EU (EUVD) identifier?: Yes. CVE-2025-0913 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18139.
When was CVE-2025-0913 published?: CVE-2025-0913 was published on 2025-06-11 and last updated on 2026-06-17.

References

Affected products (1)

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

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