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CVE and vendor PSIRT advisories from 13 sources, last 30 days. Updated hourly, last run Oct 26 02:05 UTC

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2 critical, 38 high, 59 medium, 25 low

Expand	Severity	Score	Advisory	Title	Source	Flags	Published
	Critical	9.4	CVE-2026-115557	Python has added a denylist for known compromised certificates to the "ssl" module to ensure user safety even without certificate revocation configured Python, GoPython CPython, Go, Go crypto/x509	NVD		Oct 24 15:17 UTC
CVE-2026-115557Python has added a denylist for known compromised certificates to the "ssl" module to ensure user safety even without certificate revocation configured Executive summary The advisory covers a Go security fix that blocks trust in a small set of intermediate certificates from a specific Certificate Authority, delivered in Go 1.27.3 and Go 1.26.10. The Go team says it highly recommends immediately upgrading to these releases. The advisory does not state how severe the issue is. Technical summary The fix is in crypto/x509 and is described as a mitigation for security concerns with a specific Certificate Authority. Verify now filters out certificate chains that contain a small set of named intermediate certificates, so they are not returned to the caller. The advisory is tagged CVE-2026-111943 and references Go issue 82345. The attack vector, preconditions, and exploitation status are not stated. The affected version range is not stated, and no CVSS score is given. No workaround or detection guidance is stated beyond upgrading to Go 1.27.3 or Go 1.26.10. Summaries are generated by AI from the linked advisory text. Confirm versions and fixes at the source. Summarized from openwall.com/lists/oss-security/2026/10/20/29 Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Attack requirements None Privileges required None User interaction Passive CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Affects Python Go Python CPython Go Go crypto/x509 NIST National Vulnerability DatabasePublished Oct 24, 2026 15:17 UTC Read the advisory

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