CVE-2025-49113
100Vexday Risk Score
Patch now. It under exploitation confirmed by CISA and has a working public exploit.
ssvc Actcvss 9.9epss 98%
from disclosure to weapon0 days
Published on NVDJun 2
1st PoCApr 12
metasploitJun 2
CISA KEV+263d
exploitation probability
98%top 1% of all CVEs
observed exploitation
yesCISA + VulnCheck
41 public exploit(s)
Action required by CISAfederal deadline: 2026-03-13
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Versions
Affected
composer/roundcube/roundcubemail < 1.5.10; composer/roundcube/roundcubemail >= 1.6.0, < 1.6.11
Fixed in
composer/roundcube/roundcubemail 1.5.10; composer/roundcube/roundcubemail 1.6.11
Researched and written with AI from the vendor advisory and public analysis, with the sources above. Always confirm the fixed version in the official advisory before acting.
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
Roundcube · Webmailpublic PoCs found — 41
exploitdbwww.exploit-db.com/exploits/52324unverifiedgithubgithub.com/fearsoff-org/CVE-2025-49113★ 108githubgithub.com/hakaioffsec/CVE-2025-49113-exploit★ 92githubgithub.com/00xCanelo/CVE-2025-49113★ 8githubgithub.com/BiiTts/Roundcube-CVE-2025-49113★ 6githubgithub.com/Zwique/CVE-2025-49113★ 5githubgithub.com/rxerium/CVE-2025-49113★ 5githubgithub.com/Ademking/CVE-2025-49113-nuclei-template★ 3githubgithub.com/rasool13x/exploit-CVE-2025-49113★ 3githubgithub.com/SyFi/CVE-2025-49113★ 2githubgithub.com/l4f2s4/CVE-2025-49113_exploit_cookies★ 1githubgithub.com/SteamPunk424/CVE-2025-49113-Roundcube-RCE-PHP★ 1githubgithub.com/Joelp03/CVE-2025-49113★ 1githubgithub.com/ankitpandey383/roundcube-cve-2025-49113-lab★ 0githubgithub.com/Zuack55/Roundcube-1.6.10-Post-Auth-RCE-CVE-2025-49113-★ 0githubgithub.com/LeakForge/CVE-2025-49113★ 0githubgithub.com/5kr1pt/Roundcube_CVE-2025-49113★ 0githubgithub.com/punitdarji/roundcube-cve-2025-49113★ 0githubgithub.com/hackmelocal/CVE-2025-49113-Simulation★ 0githubgithub.com/CyberQuestor-infosec/CVE-2025-49113-Roundcube_1.6.10★ 0githubgithub.com/AC8999/CVE-2025-49113★ 0githubgithub.com/mooder1/CVE-2025-49113★ 0githubgithub.com/rippsec/CVE-2025-49113-Roundcube-RCE★ 0githubgithub.com/Evillm/CVE-2025-49113-PoC★ 0vulncheckvulncheck.com/xdb/f2cc9a510d73unverifiedvulncheckvulncheck.com/xdb/97288c041629unverifiedvulncheckvulncheck.com/xdb/907e255a46cbunverifiedvulncheckvulncheck.com/xdb/c677c69937f8unverifiedvulncheckvulncheck.com/xdb/d329bc052233unverifiedvulncheckvulncheck.com/xdb/b56aba012470unverifiedvulncheckvulncheck.com/xdb/97b1284b1784unverifiedvulncheckvulncheck.com/xdb/b58adaecc268unverifiedvulncheckvulncheck.com/xdb/7695cc6dfe09unverifiedvulncheckvulncheck.com/xdb/e7fe4d3a4995unverifiedvulncheckvulncheck.com/xdb/723747ceedbbunverifiedvulncheckvulncheck.com/xdb/33f506cba416unverifiedvulncheckvulncheck.com/xdb/75c30f2fa63dunverifiedvulncheckvulncheck.com/xdb/e772d119ea95unverifiedvulncheckvulncheck.com/xdb/aebffdccd3deunverifiedvulncheckvulncheck.com/xdb/59604bbbb3faunverifiedvulncheckvulncheck.com/xdb/b037dfabf975unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://fearsoff.org/research/roundcubehttps://github.com/roundcube/roundcubemail/commit/0376f69e958a8fef7f6f09e352c541b4e7729c4dhttps://github.com/roundcube/roundcubemail/commit/7408f31379666124a39f9cb1018f62bc5e2dc695https://github.com/roundcube/roundcubemail/commit/c50a07d88ca38f018a0f4a0b008e9a1deb32637ehttps://github.com/roundcube/roundcubemail/pull/9865https://github.com/roundcube/roundcubemail/releases/tag/1.5.10https://github.com/roundcube/roundcubemail/releases/tag/1.6.11https://lists.debian.org/debian-lts-announce/2025/06/msg00008.htmlhttps://roundcube.net/news/2025/06/01/security-updates-1.6.11-and-1.5.10https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49113https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-mitigation-scripthttps://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-vulnerability-detection