CVE & CISA-KEV Catalog

CVE-2026-6816

LOW
3.8
CVSS v3
NVD

Description

An access bypass vulnerability in Drupal TFA Basic Plugins allows users with the administer users permission to view or generate recovery codes for other users. This issue affects TFA Basic Plugins: from 7.x-1.0 through 7.x-1.2.

How to fix

Remediation Available
tfa basic pluginsNVD
Affected:>= 7.x-1.0, < 7.x-1.3Fixed in:7.x-1.3CVE-2026-6816derived from NVD

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 VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityLow
AvailabilityNone

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

Exploit Intelligence

0.32%probability of exploitation in 30 days
24thpercentile

Low risk: more likely to be exploited than 24% of all known CVEs.

References

Third-Party Advisory1

Related Vulnerabilities

Other CWE-267 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-41244High7.87.9%KEVFix
CVE-2024-42365High7.44.7%-Fix
CVE-2025-47811Medium4.14.0%-Fix
CVE-2020-29396High8.83.2%--
CVE-2019-10169Medium6.61.3%-Fix
CVE-2019-10170Medium6.61.2%-Fix

Common questions

How do I fix CVE-2026-6816?

Upgrade tfa basic plugins to 7.x-1.3 or later.

Is CVE-2026-6816 being actively exploited?

Not that we know of. CVE-2026-6816 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.32% is the estimated probability that it will be exploited in the next 30 days. That is higher than 24% of all scored CVEs.

How severe is CVE-2026-6816?

CVE-2026-6816 has a CVSS v3 base score of 3.8, rated low. 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-2026-6816 affect?

Published advisories record a fix for tfa basic plugins (NVD). 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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CVE-2026-6816 severity badge

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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 2026-07-21.