How severe is CVE-2025-6075?

CVE-2025-6075 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 none, and availability high.

Is CVE-2025-6075 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6075?

CVE-2025-6075 primarily affects Python. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-6075?

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

Does CVE-2025-6075 have an EU (EUVD) identifier?

Yes. CVE-2025-6075 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37384.

When was CVE-2025-6075 published?

CVE-2025-6075 was published on 2025-10-31 and last updated on 2026-06-17.

CVE-2025-6075

CVE-2025-6075 is a medium-severity vulnerability in Python 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v4: 1.8
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37384
Weakness: CWE-400
Affected product: Python
Published: 2025-10-31
Last modified: 2026-06-17

Description

If the value passed to os.path.expandvars() is user-controlled a performance degradation is possible when expanding environment variables.

Frequently asked questions

What is CVE-2025-6075?: If the value passed to os.path.expandvars() is user-controlled a performance degradation is possible when expanding environment variables.
How severe is CVE-2025-6075?: CVE-2025-6075 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 none, and availability high.
Is CVE-2025-6075 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6075?: CVE-2025-6075 primarily affects Python. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-6075?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6075 have an EU (EUVD) identifier?: Yes. CVE-2025-6075 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37384.
When was CVE-2025-6075 published?: CVE-2025-6075 was published on 2025-10-31 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.15.0:alpha1:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

49.229.102.187 (ipv4-addr)
203.192.232.180 (ipv4-addr)
177.53.215.134 (ipv4-addr)
120.28.109.188 (ipv4-addr)
103.61.123.132 (ipv4-addr)
37.221.254.200 (ipv4-addr)
5.99.196.202 (ipv4-addr)
121.164.135.251 (ipv4-addr)