CVE-2026-90860

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-09-21. A secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.1EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 7.1Exploit: None knownExposed services: Not assessed

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

The Canva Mobile App for HarmonyOS before v1.15.1 did not restrict the headers returned to an external origin running in a privileged WebView. A threat actor with control of the WebView could access a user’s session.

CVSS v3
7.1
EG Score
7.1HIGHhigh confidence
EG Risk
32
EG Risk 32/100CISA 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 computed
Severity71% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.3%
EPSS %ILE
21st
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (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

September 21, 2026

Last Modified

September 21, 2026

Advisory Details (1)

Auto-updated Sep 21, 2026
No patch confirmed yet.
generic

Canva Trust & Security Portal | Powered by SafeBase

https://trust.canva.com?tcuUid=c17214e0-e758-4472-8238-abeb79faff07

Vendor Advisories for CVE-2026-90860(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 25× in last 7d / 60× 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. 2026-10-05 08:32 UTCGHSA enrichment
  2. 2026-10-04 20:33 UTCGHSA enrichment
  3. 2026-10-04 08:34 UTCGHSA enrichment
  4. 2026-10-03 20:35 UTCEG score recompute
  5. 2026-10-03 20:35 UTCGHSA enrichment
  6. 2026-10-03 08:35 UTCGHSA enrichment
  7. 2026-10-02 20:23 UTCEG score recompute
  8. 2026-10-02 20:23 UTCGHSA enrichment
  9. 2026-10-02 08:14 UTCGHSA enrichment
  10. 2026-10-01 20:11 UTCEG score recompute
  11. 2026-10-01 20:10 UTCGHSA enrichment
  12. 2026-10-01 19:51 UTCEPSS rescore
  13. 2026-10-01 08:12 UTCGHSA enrichment
  14. 2026-09-30 20:13 UTCEG score recompute
  15. 2026-09-30 20:13 UTCGHSA enrichment
  16. 2026-09-30 15:04 UTCEPSS rescore
  17. 2026-09-30 08:15 UTCGHSA enrichment
  18. 2026-09-29 20:16 UTCEG score recompute
  19. 2026-09-29 20:16 UTCGHSA enrichment
  20. 2026-09-29 08:15 UTCEG score recompute
  21. 2026-09-29 08:15 UTCGHSA enrichment
  22. 2026-09-28 20:16 UTCEG score recompute
  23. 2026-09-28 20:16 UTCGHSA enrichment
  24. 2026-09-28 13:52 UTCEPSS rescore
  25. 2026-09-28 13:52 UTCEPSS rescore
Show 35 more
  1. 2026-09-28 08:17 UTCGHSA enrichment
  2. 2026-09-27 20:18 UTCEG score recompute
  3. 2026-09-27 20:18 UTCGHSA enrichment
  4. 2026-09-27 13:49 UTCEPSS rescore
  5. 2026-09-27 08:20 UTCGHSA enrichment
  6. 2026-09-26 20:21 UTCEG score recompute
  7. 2026-09-26 20:21 UTCGHSA enrichment
  8. 2026-09-26 15:59 UTCEPSS rescore
  9. 2026-09-26 08:22 UTCEG score recompute
  10. 2026-09-26 08:22 UTCGHSA enrichment
  11. 2026-09-25 20:23 UTCGHSA enrichment
  12. 2026-09-25 08:12 UTCGHSA enrichment
  13. 2026-09-24 20:13 UTCEG score recompute
  14. 2026-09-24 20:13 UTCGHSA enrichment
  15. 2026-09-24 14:04 UTCEPSS rescore
  16. 2026-09-24 08:14 UTCGHSA enrichment
  17. 2026-09-23 20:15 UTCEG score recompute
  18. 2026-09-23 20:15 UTCGHSA enrichment
  19. 2026-09-23 17:54 UTCEPSS rescore
  20. 2026-09-23 08:17 UTCGHSA enrichment
  21. 2026-09-22 20:18 UTCEG score recompute
  22. 2026-09-22 20:18 UTCGHSA enrichment
  23. 2026-09-22 16:01 UTCEPSS rescore
  24. 2026-09-22 08:19 UTCEG score recompute
  25. 2026-09-22 08:19 UTCGHSA enrichment
  26. 2026-09-21 21:09 UTCEPSS rescore
  27. 2026-09-21 20:21 UTCEG score recompute
  28. 2026-09-21 20:21 UTCGHSA enrichment
  29. 2026-09-21 19:45 UTCEG score recompute
  30. 2026-09-21 19:45 UTCGHSA enrichment
  31. 2026-09-21 18:16 UTCEG score recompute
  32. 2026-09-21 18:16 UTCGHSA enrichment
  33. 2026-09-21 07:24 UTCEG score recompute
  34. 2026-09-21 07:08 UTCEG score recompute
  35. 2026-09-21 07:05 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-90860?
CVE-2026-90860 is a high vulnerability published on September 21, 2026. The Canva Mobile App for HarmonyOS before v1.15.1 did not restrict the headers returned to an external origin running in a privileged WebView. A threat actor with control of the WebView could access a user’s session.
When was CVE-2026-90860 disclosed?
CVE-2026-90860 was first published on September 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90860 actively exploited?
CVE-2026-90860 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (21st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-90860?
CVE-2026-90860 has a CVSS base score of 7.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-90860?
No fix for CVE-2026-90860 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-90860 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-90860

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