CVE-2026-72535

HIGHPre-NVD 8.68.6—
EchelonGraph scoreHIGH confidence

Score 8.6 from GitHub Security Advisory (severity: HIGH) published 2026-08-11. a secondary CVSS source baseline 8.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.6Exploit: None knownExposed: 0

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

A missing authentication vulnerability in Chaskiq through commit 46dfdd1 allows unauthenticated remote attackers to mint Stripe Billing Portal sessions for any tenant via the stripeCustomerPortal GraphQL mutation. The mutation performs no authentication or authorization checks before creating a customer portal session linked to any tenant Stripe account. An attacker can access and manage subscription data for any tenant without credentials.

CVSS v3
8.6
EG Score
8.6(high)
EG Risk
54(Track)
EG Risk 54/100SSVC: 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
Severity86% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
36%
KEV
Not listed

Published

August 11, 2026

Last Modified

August 11, 2026

Advisory Details (1)

Auto-updated Aug 11, 2026
No patch confirmed yet.
generic

GitHub - chaskiq/chaskiq: A full featured Live Chat, Support & Marketing platform, alternative to Intercom, Drift, Crisp. · GitHub

https://github.com/chaskiq/chaskiq

Vendor Advisories for CVE-2026-72535(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 31× in last 7d / 49× 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 20:25 UTCGHSA enrichment
  3. 2026-08-20 09:19 UTCGHSA enrichment
  4. 2026-08-19 22:12 UTCEG score recompute
  5. 2026-08-19 22:12 UTCGHSA enrichment
  6. 2026-08-19 17:04 UTCEPSS rescore
  7. 2026-08-19 11:00 UTCGHSA enrichment
  8. 2026-08-18 23:53 UTCEG score recompute
  9. 2026-08-18 23:53 UTCGHSA enrichment
  10. 2026-08-18 13:49 UTCEPSS rescore
  11. 2026-08-18 13:49 UTCEPSS rescore
  12. 2026-08-18 12:45 UTCGHSA enrichment
  13. 2026-08-18 01:32 UTCGHSA enrichment
  14. 2026-08-17 14:25 UTCEG score recompute
  15. 2026-08-17 14:25 UTCGHSA enrichment
  16. 2026-08-17 13:47 UTCEPSS rescore
  17. 2026-08-17 03:19 UTCGHSA enrichment
  18. 2026-08-16 16:12 UTCEG score recompute
  19. 2026-08-16 16:12 UTCGHSA enrichment
  20. 2026-08-16 14:56 UTCEPSS rescore
  21. 2026-08-16 14:56 UTCEPSS rescore
  22. 2026-08-16 05:05 UTCEG score recompute
  23. 2026-08-16 05:05 UTCGHSA enrichment
  24. 2026-08-16 02:15 UTCEPSS rescore
  25. 2026-08-15 17:58 UTCGHSA enrichment
Show 24 more
  1. 2026-08-15 06:51 UTCEG score recompute
  2. 2026-08-15 06:51 UTCGHSA enrichment
  3. 2026-08-15 01:31 UTCEPSS rescore
  4. 2026-08-14 19:20 UTCGHSA enrichment
  5. 2026-08-14 08:11 UTCEG score recompute
  6. 2026-08-14 08:11 UTCGHSA enrichment
  7. 2026-08-13 22:00 UTCEPSS rescore
  8. 2026-08-13 21:04 UTCGHSA enrichment
  9. 2026-08-13 09:52 UTCGHSA enrichment
  10. 2026-08-12 22:45 UTCEG score recompute
  11. 2026-08-12 22:45 UTCGHSA enrichment
  12. 2026-08-12 13:51 UTCEPSS rescore
  13. 2026-08-12 11:39 UTCGHSA enrichment
  14. 2026-08-12 00:32 UTCGHSA enrichment
  15. 2026-08-11 13:25 UTCEG score recompute
  16. 2026-08-11 13:25 UTCGHSA enrichment
  17. 2026-08-11 13:24 UTCNVD updateCVSS v3 → 8.6
  18. 2026-08-11 12:57 UTCEG score recompute
  19. 2026-08-11 12:57 UTCGHSA enrichment
  20. 2026-08-11 12:57 UTCMITRE cvelistV5CVSS v3 → 8.2
  21. 2026-08-11 12:26 UTCEG score recompute▲ 0.40
  22. 2026-08-11 12:25 UTCNVD updateCVSS v3 → 8.6
  23. 2026-08-11 11:23 UTCEG score recompute
  24. 2026-08-11 11:22 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-72535?
CVE-2026-72535 is a high vulnerability published on August 11, 2026. A missing authentication vulnerability in Chaskiq through commit 46dfdd1 allows unauthenticated remote attackers to mint Stripe Billing Portal sessions for any tenant via the stripeCustomerPortal GraphQL mutation. The mutation performs no authentication or authorization checks before creating a…
When was CVE-2026-72535 disclosed?
CVE-2026-72535 was first published in the National Vulnerability Database on August 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-72535 actively exploited?
CVE-2026-72535 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 64.4% of all scored CVEs.
What is the CVSS score of CVE-2026-72535?
CVE-2026-72535 has a CVSS v3 base score of 8.6 (NVD).
How do I remediate CVE-2026-72535?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-72535, 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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