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
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.1
- EG Score
- 7.1(medium)
- EG Risk
- 32(Track)EG Risk 32/100SSVC: Track
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%Exploitation1% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 70%
- KEV
- Not listed
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 | Fixed in | Dependents |
|---|---|---|---|
| roundcube | 1.6.1+dfsg-1 ... 1.6.5+dfsg-1~deb12u1 (18 versions) | 1.6.5+dfsg-1+deb12u11 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| roundcube | 1.6.11+dfsg-1 ... 1.6.17+dfsg-1 (12 versions) | 1.6.18+dfsg-0+deb13u1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| roundcube | 1.6.11+dfsg-1 ... 1.6.17+dfsg-1 (7 versions) | 1.6.18+dfsg-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 25× in last 7d / 109× 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 137 total refreshes for this CVE.
- 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
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- 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
- 2026-09-05 01:42 UTCEG score recompute
- 2026-09-05 01:42 UTCGHSA enrichment
- 2026-09-04 13:10 UTCEG score recompute
- 2026-09-04 13:10 UTCGHSA enrichment
- 2026-09-04 05:07 UTCEPSS rescore
- 2026-09-04 00:38 UTCGHSA enrichment
- 2026-09-03 10:55 UTCGHSA enrichment
- 2026-09-02 22:17 UTCEG score recompute
- 2026-09-02 22:17 UTCGHSA enrichment
- 2026-09-02 14:12 UTCEPSS rescore
- 2026-09-02 09:43 UTCGHSA enrichment
- 2026-09-01 21:10 UTCEG score recompute
- 2026-09-01 21:10 UTCGHSA enrichment
- 2026-09-01 13:54 UTCEPSS rescore
- 2026-09-01 10:38 UTCEG score recompute
- 2026-09-01 10:38 UTCGHSA enrichment
- 2026-09-01 04:40 UTCEPSS rescore
- 2026-09-01 04:40 UTCEPSS rescore
- 2026-08-31 22:04 UTCGHSA enrichment
- 2026-08-31 09:32 UTCGHSA enrichment
- 2026-08-30 20:35 UTCEG score recompute
- 2026-08-30 20:35 UTCGHSA enrichment
- 2026-08-30 19:18 UTCEPSS rescore
- 2026-08-30 19:17 UTCEPSS rescore
- 2026-08-30 08:03 UTCEG score recompute
- 2026-08-30 08:03 UTCGHSA enrichment
- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-29 19:29 UTCGHSA enrichment
- 2026-08-29 05:39 UTCEG score recompute
- 2026-08-29 05:39 UTCGHSA enrichment
- 2026-08-28 21:42 UTCEPSS rescore
- 2026-08-28 03:13 UTCGHSA enrichment
- 2026-08-27 14:34 UTCEG score recompute
- 2026-08-27 14:34 UTCGHSA enrichment
- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-27 01:59 UTCEG score recompute
- 2026-08-27 01:59 UTCGHSA enrichment
- 2026-08-26 14:47 UTCEPSS rescore
- 2026-08-26 13:27 UTCGHSA enrichment
- 2026-08-26 00:55 UTCEG score recompute
- 2026-08-26 00:55 UTCGHSA enrichment
- 2026-08-25 13:49 UTCEPSS rescore
- 2026-08-25 12:23 UTCGHSA enrichment
- 2026-08-24 23:45 UTCEG score recompute
Related CVEs(same CWE)
Same CWE
10 shownCWE-77
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
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