CVE-2026-81546

HIGHPre-NVD 7.77.7—
EchelonGraph scoreHIGH confidence

Score 7.7 from GitHub Security Advisory (severity: HIGH) published 2026-09-17. a secondary CVSS source baseline 7.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.7Exploit: None knownExposed: 0

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

The Affinity by Canva application before 3.3.0 (September 2026 release) did not perform adequate bounds checking when parsing Affinity document files leading to a stack-based buffer overflow. A threat actor could craft a Affinity document that when opened by a user in Affinity could result in arbitrary code execution.

CVSS v3
7.7
EG Score
7.7(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity77% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

September 17, 2026

Last Modified

September 18, 2026

Advisory Details (1)

Auto-updated Sep 17, 2026
No patch confirmed yet.
generic

Canva Trust & Security Portal | Powered by SafeBase

https://trust.canva.com?tcuUid=43596908-8a36-4a18-b2e7-5c99b67ab38a

Vendor Advisories for CVE-2026-81546(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 23× in last 7d / 32× 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. 2026-09-25 12:33 UTCGHSA enrichment
  2. 2026-09-25 00:06 UTCEG score recompute
  3. 2026-09-25 00:06 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 11:38 UTCGHSA enrichment
  6. 2026-09-23 23:10 UTCEG score recompute
  7. 2026-09-23 23:10 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-23 10:30 UTCGHSA enrichment
  10. 2026-09-22 22:02 UTCEG score recompute
  11. 2026-09-22 22:02 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 09:34 UTCEG score recompute
  14. 2026-09-22 09:34 UTCGHSA enrichment
  15. 2026-09-21 21:09 UTCEPSS rescore
  16. 2026-09-21 21:06 UTCGHSA enrichment
  17. 2026-09-21 08:37 UTCGHSA enrichment
  18. 2026-09-20 20:08 UTCGHSA enrichment
  19. 2026-09-20 07:40 UTCGHSA enrichment
  20. 2026-09-19 19:07 UTCGHSA enrichment
  21. 2026-09-19 06:35 UTCGHSA enrichment
  22. 2026-09-18 18:08 UTCGHSA enrichment
  23. 2026-09-18 15:20 UTCGHSA enrichment
  24. 2026-09-18 02:52 UTCEG score recompute
  25. 2026-09-18 02:52 UTCGHSA enrichment
Show 7 more
  1. 2026-09-17 14:24 UTCEG score recompute
  2. 2026-09-17 14:24 UTCGHSA enrichment
  3. 2026-09-17 13:20 UTCEG score recompute
  4. 2026-09-17 13:20 UTCGHSA enrichment
  5. 2026-09-17 02:33 UTCEG score recompute
  6. 2026-09-17 01:59 UTCEG score recompute
  7. 2026-09-17 01:59 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-81546?
CVE-2026-81546 is a high vulnerability published on September 17, 2026. The Affinity by Canva application before 3.3.0 (September 2026 release) did not perform adequate bounds checking when parsing Affinity document files leading to a stack-based buffer overflow. A threat actor could craft a Affinity document that when opened by a user in Affinity could result in…
When was CVE-2026-81546 disclosed?
CVE-2026-81546 was first published in the National Vulnerability Database on September 17, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-81546 actively exploited?
CVE-2026-81546 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 96.7% of all scored CVEs.
What is the CVSS score of CVE-2026-81546?
CVE-2026-81546 has a CVSS v3 base score of 7.7 (NVD).
How do I remediate CVE-2026-81546?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-81546, 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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