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ExploitedIn CISA KEVFix available

CVE-2025-49113

roundcubemail: Remote Code Execution in Roundcube via Unvalidated _from Parameter

Exploitation confirmed. First attested on 2026-02-20 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2025-06-02
  • Fixed in1.6.11 · 1.5.10
  • WeaknessCWE-502

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2025-06-0205:15CVE publishedNVD
  2. 2025-06-13Exploit-DB entryExploit-DB
  3. 2026-02-20Added to the CISA KEV catalogCISA KEV
  4. 2026-02-20Listed as exploited by GCVEGCVE
  5. 2026-02-20Exploitation first reportedCISA KEV
  6. 2026-02-2020:05SSVC exploitation set to activeCISA-ADP

Versions per branch

NVD · OSV
Roundcube webmail
BranchAffectedFixed in
1.6≥ 1.6.0, < 1.6.111.6.11
1.5< 1.5.101.5.10
Debian debian linux
BranchAffectedFixed in
11.0= 11.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As mitre, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Roundcube Webmailother versions: not affected
    Affected
    • < 1.5.10fixed in 1.5.10semver
    • ≥ 1.6.0, < 1.6.11fixed in 1.6.11semver

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-06-12

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • roundcubeUbuntu:Pro:22.04:LTSall versions · fixed in 1.5.0+dfsg.1-2ubuntu0.1~esm4
  • roundcubeUbuntu:Pro:20.04:LTSall versions · fixed in 1.4.3+dfsg.1-1ubuntu0.1~esm5
  • roundcubeUbuntu:Pro:18.04:LTSall versions · fixed in 1.3.6+dfsg.1-1ubuntu0.1~esm5
  • roundcubeUbuntu:Pro:16.04:LTSall versions · fixed in 1.2~beta+dfsg.1-0ubuntu1+esm6
  • roundcubeUbuntu:24.04:LTSall versions · fixed in 1.6.6+dfsg-2ubuntu0.1
  • roundcubeDebian:14all versions · fixed in 1.6.11+dfsg-1
  • roundcubeDebian:13all versions · fixed in 1.6.11+dfsg-1
  • roundcubeDebian:12all versions · fixed in 1.6.5+dfsg-1+deb12u5

3 more package ranges on OSV.dev

Vendor advisories

  • CVE-2025-49113 Red Hat Product Security

    roundcubemail: Remote Code Execution in Roundcube via Unvalidated _from Parameter

Full record on NVD

Fix

  1. Update Roundcube webmail to 1.6.11 · 1.5.10
  2. CISA’s required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.due 2026-03-13

Advisories and patches

Detection

read 2026-11-01 01:02 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
EDB-52324
Exploit-DB
Proof of concept
Metasploit modules
1 moduleexploit/multi/http/roundcube_auth_rce_cve_2025_49113rank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2026-02-20
Patch Due Date
2026-03-13
Ransomware Use
Unknown
Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2025-06-02
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-8j8w-wwqc-x596

Frequently asked questions

What is CVE-2025-49113?

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.

Is CVE-2025-49113 actively exploited?

Yes. CVE-2025-49113 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-03-13.

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

CVE-2025-49113 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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