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CVE-2026-55558

🗓️ 20 Aug 2026 15:17:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 10 Views

Vulnerability in aiosmtplib, an asynchronous SMTP client for asyncio, prior to a fix.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-55558 vulnerabilities
29 Aug 202608:25
cgr
circl
Circl
CVE-2026-55558
28 Aug 202600:31
circl
cve
CVE
CVE-2026-55558
20 Aug 202614:29
cve
cvelist
Cvelist
CVE-2026-55558 aiosmtplib: STARTTLS response injection
20 Aug 202614:29
cvelist
debiancve
Debian CVE
CVE-2026-55558
20 Aug 202614:29
debiancve
euvd
EUVD
EUVD-2026-63376
27 Aug 202623:32
euvd
github
Github Security Blog
aiosmtplib: STARTTLS response injection
27 Aug 202623:32
github
nvd
NVD
CVE-2026-55558
20 Aug 202615:17
nvd
osv
OSV
CGA-RF5F-QJPG-QQHC
28 Aug 202616:32
osv
osv
OSV
DEBIAN-CVE-2026-55558
20 Aug 202615:17
osv
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu22.04allaiosmtplib0aiosmtplib_0_all.deb
Ubuntu26.04allaiosmtplib0aiosmtplib_0_all.deb

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02 Sep 2026 21:06Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.15.9
EPSS0.00261
SSVC
10