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CVE

CVE-2026-42033

Axios: Prototype Pollution Gadgets - Response Tampering, Data Exfiltration, and Request Hijacking
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CVE

CVE-2026-42033

Axios: Prototype Pollution Gadgets - Response Tampering, Data Exfiltration, and Request Hijacking

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, when Object.prototype has been polluted by any co-dependency with keys that axios reads without a hasOwnProperty guard, an attacker can (a) silently intercept and modify every JSON response before the application sees it, or (b) fully hijack the underlying HTTP transport, gaining access to request credentials, headers, and body. The precondition is prototype pollution from a separate source in the same process. This vulnerability is fixed in 1.15.1 and 0.31.1.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.4
-
3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
C
H
U
-

Related Resources

No items found.

References

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42033.json, https://access.redhat.com/errata/RHSA-2026:14937, https://access.redhat.com/errata/RHSA-2026:16476, https://access.redhat.com/errata/RHSA-2026:16532, https://access.redhat.com/errata/RHSA-2026:16534, https://access.redhat.com/errata/RHSA-2026:16535, https://access.redhat.com/errata/RHSA-2026:16542, https://access.redhat.com/errata/RHSA-2026:16874, https://access.redhat.com/errata/RHSA-2026:17468, https://access.redhat.com/errata/RHSA-2026:17474, https://access.redhat.com/errata/RHSA-2026:17657, https://access.redhat.com/errata/RHSA-2026:17699, https://access.redhat.com/errata/RHSA-2026:19109, https://access.redhat.com/errata/RHSA-2026:19375, https://access.redhat.com/errata/RHSA-2026:20889, https://access.redhat.com/errata/RHSA-2026:20938, https://access.redhat.com/errata/RHSA-2026:21017, https://access.redhat.com/errata/RHSA-2026:21338, https://access.redhat.com/errata/RHSA-2026:21772, https://access.redhat.com/errata/RHSA-2026:22465, https://access.redhat.com/errata/RHSA-2026:22619, https://access.redhat.com/errata/RHSA-2026:22629, https://access.redhat.com/errata/RHSA-2026:22840, https://access.redhat.com/errata/RHSA-2026:23361, https://access.redhat.com/errata/RHSA-2026:24536, https://access.redhat.com/errata/RHSA-2026:24539, https://access.redhat.com/errata/RHSA-2026:24853, https://access.redhat.com/errata/RHSA-2026:24977, https://access.redhat.com/errata/RHSA-2026:25041, https://access.redhat.com/errata/RHSA-2026:25089, https://access.redhat.com/errata/RHSA-2026:25271, https://access.redhat.com/errata/RHSA-2026:25273, https://access.redhat.com/errata/RHSA-2026:26214, https://access.redhat.com/errata/RHSA-2026:26225, https://access.redhat.com/errata/RHSA-2026:26232, https://access.redhat.com/errata/RHSA-2026:26234, https://access.redhat.com/errata/RHSA-2026:33574, https://access.redhat.com/errata/RHSA-2026:36882, https://access.redhat.com/security/cve/CVE-2026-42033, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42033.json, https://github.com/axios/axios/security/advisories/GHSA-pf86-5x62-jrwf, https://nvd.nist.gov/vuln/detail/CVE-2026-42033, https://bugzilla.redhat.com/show_bug.cgi?id=2461607

Severity

7.4

CVSS Score
0
10

Basic Information

Base CVSS
7.4
EPSS Probability
0.00808%
EPSS Percentile
0.53034%
Introduced Version
484aa4fe6addccbd32206a31eb3d2d000843066e,0
Fix Available
ac42446be51300fe214ba3c6e40cc95f34fd6871,24.6.1-r42,18.11.6-r7,19.0.3-r1,18.11.7-r1,19.1.1-r1,2.11.0-r22,8.17.10-r21,8.19.15-r0,9.0.8-r24,9.1.10-r16,9.2.8-r0,9.3.4-r4,1.10.0-r21,0.19.0-r31,2.95.12-r23,3.174.1-r0,2.95.12-r25,3.152.0-r1,9.0.7-r4,31.0.14-r5,33.0.6-r0,34.0.1-r1,2.19.5-r10,3.6.0-r3,3.6.0-r5,5.15.10-r0,3.4.2-r1,1.6.0-r0,4.14.5-r5

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