CVE-2026-28815
⚠️ highSummary
A remote attacker can supply a short X-Wing HPKE encapsulated key and trigger an out-of-bounds read in the C decapsulation path, potentially causing a crash or memory disclosure depending on runtime protections. This issue is fixed in swift-crypto version 4.3.1.
CVSS Score
7.5
High
EPSS Score
0.5
Exploit Probability
Published Date
2026-04-03
First Seen: 2026-04-05
📊 Relative Risk Intelligence
This CVE is Moderate Risk - more severe than 67.9% of all 353,061 vulnerabilities in our database.
#113,243
Above average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: Apr 3, 2026
🔍 Exploitation Status
Poc
Proof-of-concept available
⚙️ Automatable
YES
Can be exploited automatically
💥 Technical Impact
Partial
Limited system impact
SSVC data provided by
CISA
Last Modified
2026-07-24
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE IDs (Weakness Types)