CVE detail
CVE-2026-6478
Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker to recover user credentials sufficient to authenticate. This does not affect scram-sha-256 passwords, the default in all supported releases. However, current databases may have MD5-hashed passwords originating in upgrades from PostgreSQL 13 or earlier. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 30.0 · diversity 18.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
37 source links · newest first
Information published.
vendormsrc.microsoft.comMay 16, 2026, 8:03 AM- https://access.redhat.com/errata/RHSA-2026:44481access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:44420access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:42555access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6478.jsonsecurity.access.redhat.com
No excerpt available.
Vendor Advisorysecurity.access.redhat.comMay 14, 2026, 2:16 PM - https://bugzilla.redhat.com/show_bug.cgi?id=2477447bugzilla.redhat.com
No excerpt available.
Exploitbugzilla.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/security/cve/CVE-2026-6478access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:35880access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:34363access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:34362access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:34043access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:33497access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:33441access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:32994access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:32983access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:29953access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:29904access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:29815access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:29212access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:28999access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:28208access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:28143access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:28037access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:27743access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:27742access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:27741access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:27738access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:27718access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:26561access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:26525access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:26524access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:26204access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:26203access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:26181access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:22878access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:21182access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 14, 2026, 2:16 PM - https://www.postgresql.org/support/security/CVE-2026-6478/www.postgresql.org
No excerpt available.
Vendor Advisorywww.postgresql.orgMay 14, 2026, 2:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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