CVE-2026-8477

Q: How do I fix CVE-2026-8477?

Upgrade devolutions server to 2026.1.19.0 or later.

Q: Is CVE-2026-8477 being actively exploited?

Not that we know of. CVE-2026-8477 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.25% is the estimated probability that it will be exploited in the next 30 days. That is higher than 16% of all scored CVEs.

Q: How severe is CVE-2026-8477?

CVE-2026-8477 has a CVSS v3 base score of 2.7, 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.

Q: What does CVE-2026-8477 affect?

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

LOW

2.7

CVSS v3

NVD

Description

Improper enforcement of the sealed-entry workflow in the entry sensitive-data retrieval feature in Devolutions Server allows an authenticated user with access to a sealed entry to retrieve its sensitive data without triggering the unseal audit notification via a crafted API request. This issue affects : * Devolutions Server 2026.1.6.0 through 2026.1.16.0 * Devolutions Server 2025.3.20.0 and earlier

CWE-841

How to fix

Remediation Available

devolutions serverNVD

Affected:>= 2026.1.6.0, < 2026.1.19.0Fixed in:2026.1.19.0CVE-2026-8477derived from NVD

Affected:< 2025.3.22.0Fixed in:2025.3.22.0CVE-2026-8477derived 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

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.25%probability of exploitation in 30 days

16thpercentile

Low risk: more likely to be exploited than 16% of all known CVEs.

References

Vendor Advisory1

devolutions.net

Related Vulnerabilities

Other CWE-841 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-1667	High	7.5	1.2%	-	Fix
CVE-2023-4181	Medium	5.4	1.1%	-	-
CVE-2022-2105	Critical	9.4	1.0%	-	Fix
CVE-2022-2102	Critical	9.4	0.9%	-	Fix
CVE-2024-51738	High	8.1	0.6%	-	Fix
CVE-2024-37296	Medium	5.3	0.5%	-	-

Common questions

How do I fix CVE-2026-8477?

Upgrade devolutions server to 2026.1.19.0 or later.

Is CVE-2026-8477 being actively exploited?

Not that we know of. CVE-2026-8477 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.25% is the estimated probability that it will be exploited in the next 30 days. That is higher than 16% of all scored CVEs.

How severe is CVE-2026-8477?

CVE-2026-8477 has a CVSS v3 base score of 2.7, 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-2026-8477 affect?

Published advisories record a fix for devolutions server (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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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 2026-07-23.