CVE-2026-75002

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

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.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
7.1
EG Score
7.1(high)
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 computed
Severity71% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
69%
KEV
Not listed

Published

August 17, 2026

Last Modified

August 18, 2026

Advisory Details (5)

Auto-updated Aug 17, 2026
Patch available. Sources: github_release, github_commit.
github_commit

commit 404d43f1b012 (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit 404d43f1b012 — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/404d43f1b0125319c3cf8c9e3df39074c0cb80ad
github_release Patch Available

Roundcube Webmail 1.7.3

Patch available: roundcube/roundcubemail 1.7.3

https://github.com/roundcube/roundcubemail/releases/tag/1.7.3
github_commit

commit 73233abe581b (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit 73233abe581b — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/73233abe581b3b31cefd00041c7086c40e1793ea
github_release Patch Available

Roundcube Webmail 1.6.18

Patch available: roundcube/roundcubemail 1.6.18

https://github.com/roundcube/roundcubemail/releases/tag/1.6.18
generic

Security updates 1.6.18 and 1.7.3 released

https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3

Vendor 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.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 24× in last 7d / 24× 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.

  1. 2026-08-21 07:54 UTCEG score recompute
  2. 2026-08-21 07:54 UTCGHSA enrichment
  3. 2026-08-20 22:56 UTCEPSS rescore
  4. 2026-08-20 19:22 UTCGHSA enrichment
  5. 2026-08-20 06:50 UTCGHSA enrichment
  6. 2026-08-19 18:18 UTCEG score recompute
  7. 2026-08-19 18:17 UTCGHSA enrichment
  8. 2026-08-19 17:04 UTCEPSS rescore
  9. 2026-08-19 05:30 UTCGHSA enrichment
  10. 2026-08-18 16:58 UTCEG score recompute
  11. 2026-08-18 16:58 UTCGHSA enrichment
  12. 2026-08-18 13:49 UTCEPSS rescore
  13. 2026-08-18 13:49 UTCEPSS rescore
  14. 2026-08-18 04:22 UTCEG score recompute
  15. 2026-08-18 04:21 UTCGHSA enrichment
  16. 2026-08-18 04:07 UTCEG score recompute
  17. 2026-08-18 04:07 UTCGHSA enrichment
  18. 2026-08-18 03:52 UTCEG score recompute
  19. 2026-08-18 03:52 UTCGHSA enrichment
  20. 2026-08-17 15:20 UTCEG score recompute
  21. 2026-08-17 14:44 UTCEG score recompute
  22. 2026-08-17 13:30 UTCEG score recompute
  23. 2026-08-17 12:56 UTCEG score recompute
  24. 2026-08-17 12:56 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-75002?
CVE-2026-75002 is a high vulnerability published on August 17, 2026. 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.
When was CVE-2026-75002 disclosed?
CVE-2026-75002 was first published in the National Vulnerability Database on August 17, 2026, with the most recent update on August 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-75002 actively exploited?
CVE-2026-75002 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 31.3% of all scored CVEs.
What is the CVSS score of CVE-2026-75002?
CVE-2026-75002 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-75002?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-75002, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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