Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, a prototype pollution gadget exists in the Axios HTTP adapter (lib/adapters/http.js) that allows an attacker to inject arbitrary HTTP headers into outgoing requests. The vulnerability exploits duck-type checking of the data payload, where if Object.prototype is polluted with getHeaders, append, pipe, on, once, and Symbol.toStringTag, Axios misidentifies any plain object payload as a FormData instance and calls the attacker-controlled getHeaders() function, merging the returned headers into the outgoing request. The vulnerable code resides exclusively in lib/adapters/http.js. The prototype pollution source does not need to originate from Axios itself — any prototype pollution primitive in any dependency in the application's dependency tree is sufficient to trigger this gadget. This vulnerability is fixed in 1.15.1 and 0.31.1.
CVE-2026-42035
“—” beside the score: it is equal to NVD's CVSS score.
Score 7.4 from GitHub Security Advisory (severity: HIGH) published 2026-05-05. NVD baseline CVSS 7.4; sources differ by 0.0.
Also known asEUVD-2026-25589 (ENISA EUVD) · GHSA-6chq-wfr3-2hj9 (GitHub Security Advisories)Source: ENISA EUVD
- CISA's Vulnrichment rates exploitation as PoC; EchelonGraph holds no exploit-code reference for it
A fix is available — apply it.
- CVSS v3
- 7.4
- EG Score
- 7.4HIGHmedium confidence
- EG Risk
- 49EG Risk 49/100
EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.
How it’s computed (value × EchelonGraph’s weight)Severity74% × 45%Impact severity (EG Severity): CVSS 7.4 of 10. Never the KEV-floored or EPSS-lifted EG Score.Exploitation40% × 40%EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.Automatability0% × 15%CISA's SSVC Automatable value: no (Vulnrichment).SSVC (CISA's decision table, applied by EchelonGraph): Track at low, Track* at medium and Attend at high mission impact.Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 0.4%
- EPSS %ILE
- 34th
- KEV
- Not listed
What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)
The EG score (7.4): severity, escalated by confirmed exploitation. This CVE's 7.4 is its impact severity (EG Severity), not escalated.
- EG Severity
- 7.4 HIGHCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
- EG Likelihood
- 0.4% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-31). FIRST's exploitation probability, not an EchelonGraph model.
- Confirmed exploitation
- None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
- EG Priority
- SSVC Track* at medium mission impactTrack at low, Track* at medium and Attend at high mission impact.CISA BOD 26-04: 14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.
SSVC (CISA's decision table, applied by EchelonGraph)Track at low, Track* at medium and Attend at high mission impact.
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table
BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.
The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it
Published
April 24, 2026
Last Modified
April 27, 2026
Advisory Details (1)
Auto-updated Jun 12, 2026Header Injection via Prototype Pollution · Advisory · axios/axios · GitHub
https://github.com/axios/axios/security/advisories/GHSA-6chq-wfr3-2hj9Vendor Advisories for CVE-2026-42035(20)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2026:86618Red Hat Product SecurityCritical
Red Hat Security Advisory: New container image: rhceph-9.2
- RHSA-2026:36882Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.14.3 security update
- RHSA-2026:34160Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.6 Product Security and Bug Fix Update
- RHSA-2026:33574Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat Developer Hub 1.9.6 release.
- RHSA-2026:26232Red Hat Product SecurityHigh
Red Hat Security Advisory: General availability of the satellite/iop-host-inventory-frontend-rhel9 container image
- RHSA-2026:26225Red Hat Product SecurityHigh
Red Hat Security Advisory: Technical preview of the satellite/iop-vulnerability-frontend-rhel9 container image
- RHSA-2026:26214Red Hat Product SecurityHigh
Red Hat Security Advisory: General availability of the satellite/iop-advisor-frontend-rhel9 container image
- RHSA-2026:26010Red Hat Product SecurityHigh
Red Hat Security Advisory: Cluster Observability Operator 1.5.0
- +12 more
Patch Availability(32)
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(5 across 5 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| node-axios | 0.21.1+dfsg-1 ... 1.8.4+dfsg-1 (40 versions) |
| — |
Debian:12(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| node-axios | 1.11.0+dfsg-1 ... 1.8.4+dfsg-1 (22 versions) |
| — |
Debian:13(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| node-axios | 1.11.0+dfsg-1 ... 1.8.4+dfsg-1 (12 versions) |
| — |
Debian:14(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| node-axios | 1.11.0+dfsg-1 ... 1.8.4+dfsg-1 (7 versions) |
| — |
npm(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| axios | — |
| — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(19)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Red HatRHSA-2026:14937MODERATE2026-04-24
RHSA-2026:14937 — Moderate
- Red HatRHSA-2026:16476MODERATE2026-04-24
RHSA-2026:16476 — Moderate
- Red HatRHSA-2026:16532MODERATE2026-04-24
RHSA-2026:16532 — Moderate
- Red HatRHSA-2026:16534MODERATE2026-04-24
RHSA-2026:16534 — Moderate
- Red HatRHSA-2026:16535MODERATE2026-04-24
RHSA-2026:16535 — Moderate
- Red HatRHSA-2026:16542MODERATE2026-04-24
RHSA-2026:16542 — Moderate
- Red HatRHSA-2026:16874MODERATE2026-04-24
RHSA-2026:16874 — Moderate
- Red HatRHSA-2026:17468MODERATE2026-04-24
RHSA-2026:17468 — Moderate
- Red HatRHSA-2026:17474MODERATE2026-04-24
RHSA-2026:17474 — Moderate
- Red HatRHSA-2026:17657MODERATE2026-04-24
RHSA-2026:17657 — Moderate
- Red HatRHSA-2026:17699MODERATE2026-04-24
RHSA-2026:17699 — Moderate
- Red HatRHSA-2026:19109MODERATE2026-04-24
RHSA-2026:19109 — Moderate
- Red HatRHSA-2026:19375MODERATE2026-04-24
RHSA-2026:19375 — Moderate
- Red HatRHSA-2026:20889MODERATE2026-04-24
RHSA-2026:20889 — Moderate
- Red HatRHSA-2026:20938MODERATE2026-04-24
RHSA-2026:20938 — Moderate
- Red HatRHSA-2026:21017MODERATE2026-04-24
RHSA-2026:21017 — Moderate
- Red HatRHSA-2026:21338MODERATE2026-04-24
RHSA-2026:21338 — Moderate
- Red HatRHSA-2026:21772MODERATE2026-04-24
RHSA-2026:21772 — Moderate
- Red HatRHSA-2026:22465MODERATE2026-04-24
RHSA-2026:22465 — Moderate
Data Freshness Timeline
(refreshed 11× in last 7d / 45× in last 30d)
Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.
Showing the most recent 100 of 247 refreshes on record for this CVE.
A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 147 oldest rows on record are not shown and were not checked, so the counts can still include repeats.
- 2026-11-01 16:34 UTCEPSS rescoreEPSS 0.4% · 34th percentile
- 2026-11-01 07:51 UTCGHSA enrichmentGHSA-6chq-wfr3-2hj9 · GitHub severity HIGH · GitHub CVSS 7.4
- 2026-11-01 07:51 UTCEG score recompute
- 2026-10-31 16:32 UTCEPSS rescoreEPSS 0.4% · 34th percentile
- 2026-10-31 10:26 UTCEG score recompute
- 2026-10-31 10:26 UTCVendor advisory
- 2026-10-30 16:34 UTCEPSS rescoreEPSS 0.4% · 34th percentile
- 2026-10-29 16:33 UTCEPSS rescoreEPSS 0.4% · 34th percentile
- 2026-10-28 16:32 UTCEPSS rescoreEPSS 0.4% · 34th percentile
- 2026-10-27 16:32 UTCEPSS rescoreEPSS 0.4% · 34th percentile
- 2026-10-26 16:31 UTCEPSS rescoreEPSS 0.4% · 34th percentile
- 2026-10-25 16:33 UTCEPSS rescoreEPSS 0.4% · 34th percentile
- 2026-10-25 14:29 UTCEG score recompute
- 2026-10-24 16:33 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-24 12:30 UTCEG score recompute
- 2026-10-24 12:30 UTCVendor advisory
- 2026-10-23 16:31 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-22 16:34 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-21 16:33 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-20 16:33 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-19 16:32 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-18 16:32 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-18 03:41 UTCEG score recompute
- 2026-10-17 16:34 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-17 14:30 UTCEG score recompute
Show 75 moreShow fewer
- 2026-10-17 14:30 UTCVendor advisory
- 2026-10-16 16:42 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-15 16:32 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-14 16:33 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-13 22:24 UTCOSV refresh
- 2026-10-13 16:34 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-12 16:34 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-12 16:07 UTCEG score recompute
- 2026-10-11 19:49 UTCEG score recompute
- 2026-10-11 17:03 UTCEG score recompute
- 2026-10-11 14:29 UTCEG score recompute
- 2026-10-11 13:48 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.4% · 30th percentile
- 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.4% · 29th percentile
- 2026-10-08 17:12 UTCEPSS rescoreEPSS 0.4% · 29th percentile
- 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.4% · 29th percentile
- 2026-10-06 15:17 UTCEPSS rescoreEPSS 0.4% · 29th percentile
- 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.4% · 29th percentile
- 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.4% · 29th percentile
- 2026-10-03 14:25 UTCEPSS rescoreEPSS 0.4% · 29th percentile
- 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.4% · 29th percentile
- 2026-09-30 15:03 UTCEPSS rescoreEPSS 0.4% · 29th percentile
- 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.4% · 29th percentile
- 2026-09-26 15:58 UTCEPSS rescoreEPSS 0.4% · 29th percentile
- 2026-09-23 17:53 UTCEPSS rescoreEPSS 0.4% · 34th percentile
- 2026-09-23 08:23 UTCOSV refresh
- 2026-09-20 20:15 UTCEPSS rescoreEPSS 0.4% · 34th percentile
- 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.4% · 34th percentile
- 2026-09-17 19:31 UTCEPSS rescoreEPSS 0.4% · 34th percentile
- 2026-09-16 14:08 UTCEPSS rescoreEPSS 0.4% · 34th percentile
- 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-09-13 16:47 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-09-12 15:01 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-09-11 14:53 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-09-11 09:37 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-09-10 09:34 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-09-08 22:00 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-09-07 16:01 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-09-06 13:47 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-09-04 05:06 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-09-04 03:16 UTCOSV refresh
- 2026-09-02 14:12 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-09-01 13:53 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-09-01 04:39 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-30 19:17 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-30 01:22 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-28 21:41 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-27 14:25 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-26 14:46 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-25 13:49 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-23 00:19 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-21 23:49 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-20 22:55 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-19 17:03 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-18 13:48 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-17 14:47 UTCEG score recompute
- 2026-08-17 14:47 UTCVendor advisory
- 2026-08-17 13:47 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-16 14:56 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-16 05:46 UTCEG score recompute
- 2026-08-16 05:46 UTCVendor advisory
- 2026-08-16 02:14 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-15 01:30 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-14 17:02 UTCVendor advisory
- 2026-08-14 04:06 UTCEG score recompute
- 2026-08-14 04:06 UTCVendor advisory
- 2026-08-13 22:00 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-13 08:30 UTCVendor advisory
- 2026-08-12 17:47 UTCEG score recompute
- 2026-08-12 17:47 UTCVendor advisory
- 2026-08-12 13:51 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-11 16:41 UTCEG score recompute
- 2026-08-11 16:41 UTCVendor advisory
- 2026-08-11 13:43 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
- 2026-08-11 02:08 UTCEG score recompute
Related CVEs(same product + same vendor + same CWE)
Same product
10 shownDebian:11:node-axios
Same vendor
10 shownredhat:RHSA-2026:14937 · redhat:RHSA-2026:16532 · redhat:RHSA-2026:16476
Frequently asked(5)
What is CVE-2026-42035?
When was the CVE record for CVE-2026-42035 published?
Is CVE-2026-42035 actively exploited?
What is the CVSS score of CVE-2026-42035?
How do I remediate CVE-2026-42035?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-42035
Is Your Infrastructure Affected by CVE-2026-42035?
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