CVE-2026-57062
28Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 2.9epss 0.1%
from disclosure to weapon74 days
Published on NVDJun 23
1st PoC+74d
exploitation probability
0.1%top 97% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM because aes-ICVlen is supposed to be 12 bytes but 4 bytes is accepted. NOTE: this is related to CVE-2026-34182.
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected products
GnuPG · GnuPGpublic PoCs found — 1
githubgithub.com/goldendivider/gpgsm-cve-2026-57062-cms-gcm-short-tag★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.