CVE-2026-73575

LOWPre-NVD 3.13.1
EchelonGraph scoreHIGH confidence

Score 3.1 from GitHub Security Advisory (severity: LOW) published 2026-08-13. a secondary CVSS source baseline 3.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
3.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.1Exploit: None knownExposed: 0

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

In Zimbra Collaboration (ZCS) before 10.1.17, a Cross-Site Request Forgery (CSRF) vulnerability exists in the Exchange Web Services (EWS) endpoint of Zimbra Collaboration (ZCS) due to insufficient validation of request content types. An attacker can exploit this vulnerability by causing an authenticated user to submit a crafted request, potentially allowing unauthorized actions to be performed on behalf of the victim.

CVSS v3
3.1
EG Score
3.1(high)
EG Risk
14(Track)
EG Risk 14/100SSVC: 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
Severity31% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

August 13, 2026

Last Modified

August 13, 2026

Vendor Advisories for CVE-2026-73575(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 13× in last 7d / 17× 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. 2026-08-19 17:04 UTCEPSS rescore
  3. 2026-08-19 15:57 UTCEG score recompute
  4. 2026-08-19 15:57 UTCGHSA enrichment
  5. 2026-08-18 13:49 UTCEPSS rescore
  6. 2026-08-18 13:49 UTCEPSS rescore
  7. 2026-08-17 13:47 UTCEPSS rescore
  8. 2026-08-16 16:06 UTCEG score recompute
  9. 2026-08-16 16:06 UTCGHSA enrichment
  10. 2026-08-16 14:56 UTCEPSS rescore
  11. 2026-08-16 14:56 UTCEPSS rescore
  12. 2026-08-16 02:15 UTCEPSS rescore
  13. 2026-08-15 01:31 UTCEPSS rescore
  14. 2026-08-13 16:25 UTCEG score recompute
  15. 2026-08-13 16:17 UTCEG score recompute
  16. 2026-08-13 15:32 UTCEG score recompute
  17. 2026-08-13 15:31 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-73575?
CVE-2026-73575 is a low vulnerability published on August 13, 2026. In Zimbra Collaboration (ZCS) before 10.1.17, a Cross-Site Request Forgery (CSRF) vulnerability exists in the Exchange Web Services (EWS) endpoint of Zimbra Collaboration (ZCS) due to insufficient validation of request content types. An attacker can exploit this vulnerability by causing an…
When was CVE-2026-73575 disclosed?
CVE-2026-73575 was first published in the National Vulnerability Database on August 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-73575 actively exploited?
CVE-2026-73575 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 98.4% of all scored CVEs.
What is the CVSS score of CVE-2026-73575?
CVE-2026-73575 has a CVSS v3 base score of 3.1 (NVD).
How do I remediate CVE-2026-73575?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-73575, 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

Explore the affected products and dependency analysis for CVE-2026-73575

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