CVE-2026-75010

MEDIUMPre-NVD 6.46.4—
EchelonGraph scoreHIGH confidence

Score 6.4 from GitHub Security Advisory published 2026-08-17. a secondary CVSS source baseline 6.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
6.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.4Exploit: 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, the modoboa driver of the password plugin could leak a Modoboa API authentication token to a user-controlled host via crafted session data. This issue only affects Roundcube instances using the password plugin with its modoboa driver.

CVSS v3
6.4
EG Score
6.4(high)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity64% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
20%
KEV
Not listed

Published

August 17, 2026

Last Modified

August 17, 2026

Advisory Details (3)

Auto-updated Aug 17, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
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
github_commit

commit b0e26d617e7b (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit b0e26d617e7b — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/b0e26d617e7bbe3051135285993bc55f718fea2f
github_commit

commit 65b8ea9d8304 (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit 65b8ea9d8304 — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/65b8ea9d8304b10f1d3bda5bcc82f9c682cf804c

Vendor Advisories for CVE-2026-75010(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 14× in last 7d / 14× 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. 2026-08-20 22:56 UTCEPSS rescore
  2. 2026-08-20 16:06 UTCEG score recompute
  3. 2026-08-20 16:06 UTCGHSA enrichment
  4. 2026-08-19 17:04 UTCEPSS rescore
  5. 2026-08-19 15:32 UTCGHSA enrichment
  6. 2026-08-18 14:56 UTCEG score recompute
  7. 2026-08-18 14:56 UTCGHSA enrichment
  8. 2026-08-18 13:49 UTCEPSS rescore
  9. 2026-08-18 13:49 UTCEPSS rescore
  10. 2026-08-17 14:22 UTCEG score recompute
  11. 2026-08-17 14:17 UTCEG score recompute
  12. 2026-08-17 13:30 UTCEG score recompute
  13. 2026-08-17 13:16 UTCEG score recompute
  14. 2026-08-17 13:16 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-75010?
CVE-2026-75010 is a medium vulnerability published on August 17, 2026. In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the modoboa driver of the password plugin could leak a Modoboa API authentication token to a user-controlled host via crafted session data. This issue only affects Roundcube instances using the password plugin with its modoboa driver.
When was CVE-2026-75010 disclosed?
CVE-2026-75010 was first published in the National Vulnerability Database on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-75010 actively exploited?
CVE-2026-75010 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 79.6% of all scored CVEs.
What is the CVSS score of CVE-2026-75010?
CVE-2026-75010 has a CVSS v3 base score of 6.4 (NVD).
How do I remediate CVE-2026-75010?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-75010, 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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