CVE-2026-40175
Prototype pollution in Axios <1.15 enables RCE via dependency gadgets.
Is CVE-2026-40175 being exploited?
Not confirmed. CVE-2026-40175 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.9% probability of exploitation in the next 30 days.
How severe is CVE-2026-40175?
CVE-2026-40175 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-40175?
Yes. A fix has been recorded for CVE-2026-40175. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-40175 affect?
CVE-2026-40175 affects Axios ≤1.14.x (Node.js/browser). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-40175?
Upgrade to 1.15.0+; audit dependency chains.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via gadget chain in dependencies; potential app/cloud compromise.
Immediate action required
- affected>= 1.0.0 and < 1.15.0
- affected< 0.31.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.