CVE & CISA-KEV Catalog

CVE-2026-50813

MEDIUM
6.1
CVSS v3
NVD

Description

An issue in SQLite before Fossil check-in 869a51ae84df allows a local attacker to obtain sensitive information via the Session Extension changeset concat/changegroup merge path

How to fix

Remediation Available
sqlite3Debian
Fixed in:3.53.4-2CVE-2026-50813
sqlite3Ubuntu
Fixed in:3.37.2-2ubuntu0.7USN-8565-1
Fixed in:3.45.1-1ubuntu2.7USN-8565-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Exploit Intelligence

0.11%probability of exploitation in 30 days
1stpercentile

Low risk: more likely to be exploited than 1% of all known CVEs.

References

Related Vulnerabilities

Other CWE-126 (Buffer Over-read) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-49285High8.689%-Fix
CVE-2017-7668High7.557%-Fix
CVE-2017-7679Critical9.839%-Fix
CVE-2025-21277High7.539%-Fix
CVE-2024-38071High7.536%-Fix
CVE-2009-2495Medium6.534%--

Common questions

How do I fix CVE-2026-50813?

Published advisories record a fix for 2 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-50813 being actively exploited?

Not that we know of. CVE-2026-50813 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.11% is the estimated probability that it will be exploited in the next 30 days. That is higher than 1% of all scored CVEs.

How severe is CVE-2026-50813?

CVE-2026-50813 has a CVSS v3 base score of 6.1, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-50813 affect?

Published advisories record a fix for sqlite3 (Debian), sqlite3 (Ubuntu). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-09.