How severe is CVE-2026-40175?

CVE-2026-40175 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-40175 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-40175?

CVE-2026-40175 affects Axios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40175?

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

Does CVE-2026-40175 have an EU (EUVD) identifier?

Yes. CVE-2026-40175 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21573.

When was CVE-2026-40175 published?

CVE-2026-40175 was published on 2026-04-10 and last updated on 2026-06-30.

CVE-2026-40175

CVE-2026-40175 is a medium-severity vulnerability in Axios with a CVSS 3.x base score of 4.8. 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-113.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21573
Weakness: CWE-113
Affected product: Axios
Published: 2026-04-10
Last modified: 2026-06-30

Description

Axios is a promise based HTTP client for the browser and Node.js. Versions prior to 1.15.0 and 0.3.1 are vulnerable to a specific gadget-style attack chain in which prototype pollution in a third-party dependency may be leveraged to inject unsanitized header values into outbound requests. This vulnerability is fixed in 1.15.0 and 0.3.1.

Frequently asked questions

What is CVE-2026-40175?: Axios is a promise based HTTP client for the browser and Node.js. Versions prior to 1.15.0 and 0.3.1 are vulnerable to a specific gadget-style attack chain in which prototype pollution in a third-party dependency may be leveraged to inject unsanitized header values into outbound requests. This vulnerability is fixed in 1.15.0 and 0.3.1.
How severe is CVE-2026-40175?: CVE-2026-40175 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-40175 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40175?: CVE-2026-40175 affects Axios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40175?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40175 have an EU (EUVD) identifier?: Yes. CVE-2026-40175 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21573.
When was CVE-2026-40175 published?: CVE-2026-40175 was published on 2026-04-10 and last updated on 2026-06-30.

References

Affected products (1)

cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*

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Other CWE-113 (HTTP Response Splitting) vulnerabilities

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CVE-2024-52875 — High (CVSS 8.8): An issue was discovered in GFI Kerio Control 9.2.5 through 9.4.5. The dest GET parameter passed to the…
CVE-2018-0689 — High (CVSS 8.8): HTTP header injection vulnerability in SEIKO EPSON printers and scanners (DS-570W firmware versions released prior to…
CVE-2018-11347 — High (CVSS 8.8): The YunoHost 2.7.2 through 2.7.14 web application is affected by one HTTP Response Header Injection. This flaw allows…

Browse all CWE-113 (HTTP Response Splitting) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

157.66.35.106 (ipv4-addr)