CVE-2026-28499
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.5
Description
LeafKit's HTML escaping may be skipped for Collection values, enabling XSS
Predictions
Exploit likelihood
20%
Patch ETA
—
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 — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| SWIFT | github.com/vapor/leaf-kit | < 1.14.2 | 1.14.2 |
References
- https://github.com/vapor/leaf-kit/security/advisories/GHSA-6jj5-j4j8-8473
- https://github.com/vapor/leaf-kit/commit/6044b844caa858a0c5f2505ac166f5a057c990dc
- https://github.com/vapor/leaf-kit/releases/tag/1.14.2
- https://nvd.nist.gov/vuln/detail/CVE-2026-28499
- https://github.com/advisories/GHSA-6jj5-j4j8-8473
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.