Public mode

No access to your tenant or devices. Every item links to its source. What this means

Some sources, documents or advisories need attention: 275/275 feeds/APIs · 469/469 docs · 8/9 advisories · checked 20:24 UTC Customize Public modeDiscuss ChangeIntel on Discord

MailKit has STARTTLS Response Injection via unflushed stream buffer that enables SASL mechanism downgrade

cve-program · CVE-2026-41319

Published

MailKit

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "jstedfast",
                    "product": "MailKit",
                    "versions": [
                        {
                            "version": "< 4.16.0",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-25388

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Apr 24, 2026, 3:07:24 AM

dateUpdated: Apr 25, 2026, 1:46:35 AM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-41319

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-74

Original publisher date fields

published: 2026-04-24T04:16:20.400

lastModified: 2026-10-26T22:10:00.163

1 source CPE criteria · context only
  • cpe:2.3:a:jstedfast:mailkit:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-9j88-vvj5-vhgr

Published

MailKit

NuGet

ECOSYSTEM · introduced 0 → fixed 4.16.0

188 explicitly affected versions

0.1.0, 0.10.0, 0.11.0, 0.12.0, 0.13.0, 0.14.0, 0.15.0, 0.16.0, 0.17.0, 0.18.0, 0.19.0, 0.2.0, 0.20.0, 0.21.0, 0.22.0, 0.23.0, 0.24.0, 0.25.0, 0.26.0, 0.3.0, 0.4.0, 0.5.0, 0.6.0, 0.7.0, 0.8.0, 0.9.0, 0.90.0, 0.90.0.1, 0.91.0, 0.92.0, 0.93.0, 0.94.0, 0.95.0, 0.96.0, 0.97.0, 0.98.0, 1.0.0, 1.0.1, 1.0.10, 1.0.11, 1.0.12, 1.0.13, 1.0.14, 1.0.15, 1.0.16, 1.0.17, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.0.6.1, 1.0.7, 1.0.8, 1.0.9, 1.10.0, 1.10.1, 1.10.2, 1.12.0, 1.14.0, 1.14.1, 1.14.2, 1.16.0, 1.16.1, 1.16.2, 1.18.0, 1.18.1, 1.18.1.1, 1.2.0, 1.2.1, 1.2.10, 1.2.11, 1.2.11.1, 1.2.12, 1.2.13, 1.2.14, 1.2.15, 1.2.16, 1.2.16-beta1, 1.2.16-beta2, 1.2.17, 1.2.18, 1.2.19, 1.2.2, 1.2.20, 1.2.21, 1.2.22, 1.2.23, 1.2.24, 1.2.3, 1.2.4, 1.2.5, 1.2.6, 1.2.7, 1.2.8, 1.2.9, 1.20.0, 1.22.0, 1.3.0-beta1, 1.3.0-beta2, 1.3.0-beta3, 1.3.0-beta4, 1.3.0-beta5, 1.3.0-beta6, 1.3.0-beta7, 1.3.0-rc1, 1.3.0-rc1-1, 1.4.0, 1.4.1, 1.4.2, 1.4.2.1, 1.6.0, 1.8.0, 1.8.1, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.1.0, 2.1.0.1, 2.1.0.2, 2.1.0.3, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5, 2.1.5.1, 2.10.0, 2.10.1, 2.11.0, 2.11.1, 2.12.0, 2.13.0, 2.14.0, 2.15.0, 2.2.0, 2.3.0, 2.3.1, 2.3.1.6, 2.3.2, 2.4.0, 2.4.0.1, 2.4.1, 2.5.0, 2.5.1, 2.5.2, 2.6.0, 2.7.0, 2.8.0, 2.9.0, 3.0.0, 3.0.0-preview1, 3.1.0, 3.1.1, 3.2.0, 3.3.0, 3.4.0, 3.4.1, 3.4.2, 3.4.3, 3.5.0, 3.6.0, 4.0.0, 4.1.0, 4.10.0, 4.11.0, 4.12.0, 4.12.1, 4.13.0, 4.14.0, 4.14.1, 4.15.0, 4.15.1, 4.2.0, 4.3.0, 4.4.0, 4.5.0, 4.6.0, 4.7.0, 4.7.1, 4.7.1.1, 4.8.0, 4.9.0

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 1 Nov 20:24 UTC · 275 of 275 readable · 272 fully read · documentation 469/469 current