In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection.
CVE-2026-75002
Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-17. A secondary CVSS source baseline 7.1; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.1
- EG Score
- 7.1HIGHmedium confidence
- EG Risk
- 33EG Risk 33/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity71% × 45%Exploitation2% × 40%Automatability0% × 15%CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines. - EPSS PROB
- 2.3%
- EPSS %ILE
- 82nd
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
August 17, 2026
Last Modified
September 8, 2026
Advisory Details (5)
Auto-updated Aug 17, 2026commit 404d43f1b012 (roundcube/roundcubemail)
Fix landed in roundcube/roundcubemail commit 404d43f1b012 — awaiting tagged release
https://github.com/roundcube/roundcubemail/commit/404d43f1b0125319c3cf8c9e3df39074c0cb80adRoundcube Webmail 1.7.3
Patch available: roundcube/roundcubemail 1.7.3
https://github.com/roundcube/roundcubemail/releases/tag/1.7.3commit 73233abe581b (roundcube/roundcubemail)
Fix landed in roundcube/roundcubemail commit 73233abe581b — awaiting tagged release
https://github.com/roundcube/roundcubemail/commit/73233abe581b3b31cefd00041c7086c40e1793eaRoundcube Webmail 1.6.18
Patch available: roundcube/roundcubemail 1.6.18
https://github.com/roundcube/roundcubemail/releases/tag/1.6.18Security updates 1.6.18 and 1.7.3 released
https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3Vendor Advisories for CVE-2026-75002(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(3 across 3 ecosystems)
Debian:12(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| roundcube | 1.6.1+dfsg-1 ... 1.6.5+dfsg-1~deb12u1 (18 versions) |
| — |
Debian:13(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| roundcube | 1.6.11+dfsg-1 ... 1.6.17+dfsg-1 (12 versions) |
| — |
Debian:14(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| roundcube | 1.6.11+dfsg-1 ... 1.6.17+dfsg-1 (7 versions) |
| — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 21× in last 7d / 100× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 181 total refreshes for this CVE.
- 2026-10-05 11:54 UTCEG score recompute
- 2026-10-05 11:54 UTCGHSA enrichment
- 2026-10-04 23:22 UTCEPSS rescore
- 2026-10-04 21:50 UTCGHSA enrichment
- 2026-10-04 06:22 UTCGHSA enrichment
- 2026-10-03 17:50 UTCEG score recompute
- 2026-10-03 17:49 UTCGHSA enrichment
- 2026-10-03 14:26 UTCEPSS rescore
- 2026-10-02 15:46 UTCGHSA enrichment
- 2026-10-02 01:35 UTCEG score recompute
- 2026-10-02 01:35 UTCGHSA enrichment
- 2026-10-01 19:50 UTCEPSS rescore
- 2026-10-01 11:10 UTCGHSA enrichment
- 2026-09-30 22:35 UTCEG score recompute
- 2026-09-30 22:35 UTCGHSA enrichment
- 2026-09-30 10:03 UTCEG score recompute
- 2026-09-30 10:03 UTCGHSA enrichment
- 2026-09-29 15:24 UTCEPSS rescore
- 2026-09-28 23:34 UTCEG score recompute
- 2026-09-28 23:34 UTCGHSA enrichment
- 2026-09-28 13:52 UTCEPSS rescore
- 2026-09-28 10:15 UTCGHSA enrichment
- 2026-09-27 21:43 UTCEG score recompute
- 2026-09-27 21:43 UTCGHSA enrichment
- 2026-09-27 13:48 UTCEPSS rescore
Show 75 moreShow fewer
- 2026-09-27 08:17 UTCEG score recompute
- 2026-09-27 08:17 UTCGHSA enrichment
- 2026-09-26 15:59 UTCEPSS rescore
- 2026-09-26 00:28 UTCEPSS rescore
- 2026-09-25 02:09 UTCEG score recompute
- 2026-09-25 02:09 UTCGHSA enrichment
- 2026-09-24 14:04 UTCEPSS rescore
- 2026-09-24 10:18 UTCGHSA enrichment
- 2026-09-23 21:46 UTCEG score recompute
- 2026-09-23 21:46 UTCGHSA enrichment
- 2026-09-23 17:54 UTCEPSS rescore
- 2026-09-23 09:14 UTCGHSA enrichment
- 2026-09-22 20:41 UTCEG score recompute
- 2026-09-22 20:41 UTCGHSA enrichment
- 2026-09-22 16:01 UTCEPSS rescore
- 2026-09-22 07:12 UTCEG score recompute
- 2026-09-22 07:12 UTCGHSA enrichment
- 2026-09-21 21:09 UTCEPSS rescore
- 2026-09-21 18:40 UTCGHSA enrichment
- 2026-09-21 04:15 UTCEG score recompute
- 2026-09-21 04:15 UTCGHSA enrichment
- 2026-09-20 20:16 UTCEPSS rescore
- 2026-09-20 15:42 UTCGHSA enrichment
- 2026-09-20 03:10 UTCEG score recompute
- 2026-09-20 03:10 UTCGHSA enrichment
- 2026-09-19 14:37 UTCGHSA enrichment
- 2026-09-19 01:45 UTCEG score recompute
- 2026-09-19 01:45 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 12:51 UTCGHSA enrichment
- 2026-09-18 00:18 UTCEG score recompute
- 2026-09-18 00:18 UTCGHSA enrichment
- 2026-09-17 11:45 UTCGHSA enrichment
- 2026-09-16 23:09 UTCEG score recompute
- 2026-09-16 23:09 UTCGHSA enrichment
- 2026-09-16 14:08 UTCEPSS rescore
- 2026-09-16 10:15 UTCEG score recompute
- 2026-09-16 10:15 UTCGHSA enrichment
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-15 21:28 UTCGHSA enrichment
- 2026-09-15 08:29 UTCEG score recompute
- 2026-09-15 08:28 UTCGHSA enrichment
- 2026-09-15 03:12 UTCEPSS rescore
- 2026-09-14 19:55 UTCGHSA enrichment
- 2026-09-14 05:32 UTCGHSA enrichment
- 2026-09-13 17:00 UTCEG score recompute
- 2026-09-13 17:00 UTCGHSA enrichment
- 2026-09-13 04:28 UTCGHSA enrichment
- 2026-09-12 15:56 UTCEG score recompute
- 2026-09-12 15:56 UTCGHSA enrichment
- 2026-09-12 15:02 UTCEPSS rescore
- 2026-09-12 03:24 UTCEG score recompute
- 2026-09-12 03:24 UTCGHSA enrichment
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 14:52 UTCEG score recompute
- 2026-09-11 14:52 UTCGHSA enrichment
- 2026-09-11 02:19 UTCGHSA enrichment
- 2026-09-10 13:47 UTCEG score recompute
- 2026-09-10 13:47 UTCGHSA enrichment
- 2026-09-10 09:35 UTCEPSS rescore
- 2026-09-10 01:15 UTCGHSA enrichment
- 2026-09-09 08:38 UTCEG score recompute
- 2026-09-09 08:38 UTCGHSA enrichment
- 2026-09-08 22:01 UTCEPSS rescore
- 2026-09-08 20:05 UTCGHSA enrichment
- 2026-09-08 05:48 UTCGHSA enrichment
- 2026-09-07 17:15 UTCEG score recompute
- 2026-09-07 17:15 UTCGHSA enrichment
- 2026-09-07 04:43 UTCGHSA enrichment
- 2026-09-06 15:22 UTCEG score recompute
- 2026-09-06 15:22 UTCGHSA enrichment
- 2026-09-06 13:48 UTCEPSS rescore
- 2026-09-06 02:48 UTCEG score recompute
- 2026-09-06 02:48 UTCGHSA enrichment
- 2026-09-05 14:15 UTCGHSA enrichment
Related CVEs(same product + same CWE)
Same product
10 shownDebian:12:roundcube
- CVE-2026-54433EG 10.0CRITICAL
- CVE-2026-62643EG 10.0CRITICAL
- CVE-2008-5619EG 10.0EPSS p99HIGH
- CVE-2025-49113EG 9.9 KEVEPSS p100CRITICAL
- CVE-2026-75003EG 9.8CRITICAL
- CVE-2026-62644EG 9.8CRITICAL
- CVE-2021-44026EG 9.8 KEVEPSS p99CRITICAL
- CVE-2020-12641EG 9.8 KEVEPSS p100CRITICAL
- CVE-2020-12640EG 9.8EPSS p94CRITICAL
- CVE-2024-42009EG 9.3 KEVEPSS p100CRITICAL
Frequently asked(5)
What is CVE-2026-75002?
When was CVE-2026-75002 disclosed?
Is CVE-2026-75002 actively exploited?
What is the CVSS score of CVE-2026-75002?
How do I remediate CVE-2026-75002?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-75002
Is Your Infrastructure Affected by CVE-2026-75002?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.