CVE-2026-42044: axios · Mass Assignment
Affects axiosSource GCVE Database
Not known to be exploited · CVSS 6.5 Medium : upgrade to 1.15.2 when convenient.
Data as of 12 Nov 2026, 00:35 UTC
Sources agree
| CNA (GitHub_M) | CVSS 3.1 | 6.5 |
|---|---|---|
| ADP (redhat-SADP) | CVSS 3.1 | 7.4 |
- Patch
- Available – fixed in 1.15.2
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 24 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.
What to do
Upgrade axios to 1.15.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| axios axios | Affected
| Fixed in
|
Description
Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.15.2, he Axios library is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution in the application's dependency tree to be escalated into surgical, invisible modification of all JSON API responses — including privilege escalation, balance manipulation, and authorization bypass. The default transformResponse function at lib/defaults/index.js:124 calls JSON.parse(data, this.parseReviver), where this is the merged config object. Because parseReviver is not present in Axios defaults, not validated by assertOptions, and not subject to any constraints, a polluted Object.prototype.parseReviver function is called for every key-value pair in every JSON response, allowing the attacker to selectively modify individual values while leaving the rest of the response intact. This vulnerability is fixed in 1.15.2.
References
- github.com/axios/axios/security/advisories/GHSA-3w6x-2g7m-8v23 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-42044 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2461624 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42044.json (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:42078 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:25089 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:24473 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:36882 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:24539 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:25273 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20938 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20889 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:36107 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:21338 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:33574 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20338 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:25041 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:50300 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:21772 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20454 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:16534 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:16532 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:16535 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:16542 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:22840 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:22629 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:21017 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:24853 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19375 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:41066 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:22465 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:23361 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:26214 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:26232 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:26225 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:24471 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:34608 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:25271 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:24536 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:17657 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:17699 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19109 (opens in a new tab)