Resource exhaustion in Lxsmnsyc Seroval
CVE-2026-24006
Seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. In versions 1.4.0 and below, serialization of objects with extreme depth can exceed the maximum call stack limit. In version 1.4.1, Seroval introduces a `depthLimit` parameter in serialization/deserialization methods. An error will be thrown if the depth limit is reached.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (36.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Lxsmnsyc Seroval — versions < 1.4.1
Weakness classification (CWE)
References
- github.com/lxsmnsyc/seroval/security/advisories/GHSA-3j22-8qj3-26mx (Mitigation, Vendor Advisory)
- github.com/lxsmnsyc/seroval/commit/ce9408ebc87312fcad345a73c172212f2a798060 (Patch)
Frequently asked questions
- What is CVE-2026-24006?
- CVE-2026-24006 is a high-severity vulnerability in Lxsmnsyc Seroval, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-01-22.
- How severe is CVE-2026-24006?
- High severity. CVSS v3 base score is 7.5 out of 10.