Is CVE-2025-49113 in the CISA KEV catalog?

Yes. CVE-2025-49113 is on the CISA Known Exploited Vulnerabilities list, added 2026-02-20.

What is the CVSS severity of CVE-2025-49113?

CVE-2025-49113 has a CVSS v3 base score of 9.9 (CRITICAL).

What is the EPSS score for CVE-2025-49113?

CVE-2025-49113 has an EPSS score of 94.74% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-49113?

Upgrade roundcube on debian 11 to 1.4.15+dfsg.1-1+deb11u5 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2025-49113

CRITICALCISA KEVEPSS 100th pctl

9.9

CVSS v3

NVD

Description

Roundcube Webmail before 1.5.10 and 1.6.x before 1.6.11 allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php, leading to PHP Object Deserialization.

CWE-502Deserialization of Untrusted Data

How to fix

Remediation Available

roundcubeDebian

Fixed in:1.4.15+dfsg.1-1+deb11u5CVE-2025-49113

Fixed in:1.6.5+dfsg-1+deb12u5CVE-2025-49113

Fixed in:1.6.11+dfsg-1CVE-2025-49113

roundcubeUbuntu

Fixed in:1.2~beta+dfsg.1-0ubuntu1+esm6USN-7584-1

Fixed in:1.3.6+dfsg.1-1ubuntu0.1~esm5USN-7584-1

Fixed in:1.4.3+dfsg.1-1ubuntu0.1~esm5USN-7584-1

Fixed in:1.5.0+dfsg.1-2ubuntu0.1~esm4USN-7584-1

Fixed in:1.6.6+dfsg-2ubuntu0.1USN-7584-1

roundcube-coreUbuntu

Fixed in:1.2~beta+dfsg.1-0ubuntu1+esm6USN-7584-1

Fixed in:1.3.6+dfsg.1-1ubuntu0.1~esm5USN-7584-1

Fixed in:1.4.3+dfsg.1-1ubuntu0.1~esm5USN-7584-1

Fixed in:1.5.0+dfsg.1-2ubuntu0.1~esm4USN-7584-1

Fixed in:1.6.6+dfsg-2ubuntu0.1USN-7584-1

roundcube-pluginsUbuntu

Fixed in:1.2~beta+dfsg.1-0ubuntu1+esm6USN-7584-1

Fixed in:1.3.6+dfsg.1-1ubuntu0.1~esm5USN-7584-1

Fixed in:1.4.3+dfsg.1-1ubuntu0.1~esm5USN-7584-1

Fixed in:1.5.0+dfsg.1-2ubuntu0.1~esm4USN-7584-1

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

94.74%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Remediation due: 2026-03-13

References

Patch3

Exploit2

Vendor Advisory1

roundcube.net

Third-Party Advisory3

Government Resource1

cisa.gov

Issue Tracking1

github.com

Release Notes2

Related Vulnerabilities

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-0669	High	7.2	100%	KEV + Ransom	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-35464	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-29300	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-53770	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-41082	High	8.0	100%	KEV + Ransom	Fix

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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 2026-02-23.