CVE-2026-23956
high
CVSS v3
7.5
CVSS v4 NEW
โ
VIR risk
7.5
Description
seroval affected by Denial of Service via RegExp serialization
Predictions
Exploit likelihood
83%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| lxsmnsyc | seroval | {"endExcluding":"1.4.1"} | 1.4.1 |
References
- https://github.com/lxsmnsyc/seroval/blob/v0.2.0/packages/seroval/src/index.ts#L90
- https://github.com/lxsmnsyc/seroval/commit/ce9408ebc87312fcad345a73c172212f2a798060
- https://github.com/lxsmnsyc/seroval/security/advisories/GHSA-hx9m-jf43-8ffr
- https://nvd.nist.gov/vuln/detail/CVE-2026-23956
- https://github.com/lxsmnsyc/seroval
- https://github.com/advisories/GHSA-hx9m-jf43-8ffr
CWEs
CWE-1333
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.