CVE-2026-42039
Axios: unbounded recursion in toFormData causes DoS via deeply nested request data
02 Description
Axios: unbounded recursion in toFormData causes DoS via deeply nested request data
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.77% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 55.3% of scored records. A rank, not a probability.
- NVD base score
- 6.9 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Modified. NVD last modified this record on 2026-09-10.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-04-24 18:01Z6 MO AGO
- Last updated
- 2026-09-10 12:04Z1 MO AGO
- Reserved
- 2026-04-23
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.9)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- Weaknesses
- Data version
- 5.2
- Document digest
- 1e5a3ae5dc36bc05913cd8c64475cc562108683f6d3438363799b52d04fcd572
05 Affected products
06 References
- github.comhttps://github.com/axios/axios/security/advisories/GHSA-62hf-57xw-28j9
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-42039
- bugzilla.redhat.comRHBZ#2461630https://bugzilla.redhat.com/show_bug.cgi?id=2461630
- security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42039.json
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:25089
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:16874
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:24473
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:36882
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:24539
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:25273
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:20938
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:20889
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:22619
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:21338
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:33574
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:14937
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:25041
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:50300
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:24977
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:17468
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:17474
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:48670
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:21772
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:16476
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:16534
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:16532
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:16535
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:16542
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:22840
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:22629
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:21017
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:24853
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:19375
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:22465
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:48085
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:23361
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:26214
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:26225
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:25271
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:24536
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:17657
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:17699
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:19109
07 Fixed in
Debian 12
- node-axios No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- node-axios No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- node-axios Fixed in 1.15.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 25.10
- node-axios No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.10
- node-axios No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 20.04 LTS
- node-axios No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 22.04 LTS
- node-axios No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 24.04 LTS
- node-axios No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 26.04 LTS
- node-axios No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.