CVE-2026-53620

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory published 2026-08-31. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.3Exploit: None knownExposed: 0

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

GROWI contains a vulnerability with an authorization bypass through user-controlled key in the bookmark folder APIs. If this vulnerability is exploited, an authenticated attacker could retrieve, tamper with, and/or delete the other user's bookmark data.

CVSS v3
6.3
EG Score
6.3(high)
EG Risk
28(Track)
EG Risk 28/100SSVC: 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
Severity63% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

August 31, 2026

Last Modified

August 31, 2026

Advisory Details (2)

Auto-updated Aug 31, 2026
No patch confirmed yet.
generic

JVN#42348352: Multiple vulnerabilities in GROWI

https://jvn.jp/en/jp/JVN42348352/
generic

GROWI 脆弱性対応のお知らせ (JVN#42348352)

https://growi.co.jp/news/46/

Vendor Advisories for CVE-2026-53620(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 19× in last 7d / 63× 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. 2026-09-21 03:46 UTCEG score recompute
  2. 2026-09-21 03:46 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 05:36 UTCEG score recompute
  5. 2026-09-20 05:36 UTCGHSA enrichment
  6. 2026-09-19 07:26 UTCEG score recompute
  7. 2026-09-19 07:26 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-18 09:16 UTCEG score recompute
  10. 2026-09-18 09:16 UTCGHSA enrichment
  11. 2026-09-17 11:06 UTCEG score recompute
  12. 2026-09-17 11:06 UTCGHSA enrichment
  13. 2026-09-16 14:08 UTCEPSS rescore
  14. 2026-09-16 12:56 UTCEG score recompute
  15. 2026-09-16 12:56 UTCGHSA enrichment
  16. 2026-09-16 05:15 UTCEPSS rescore
  17. 2026-09-15 14:46 UTCEG score recompute
  18. 2026-09-15 14:46 UTCGHSA enrichment
  19. 2026-09-14 16:36 UTCGHSA enrichment
  20. 2026-09-13 18:26 UTCEG score recompute
  21. 2026-09-13 18:26 UTCGHSA enrichment
  22. 2026-09-13 16:47 UTCEPSS rescore
  23. 2026-09-12 20:16 UTCEG score recompute
  24. 2026-09-12 20:16 UTCGHSA enrichment
  25. 2026-09-11 22:06 UTCEG score recompute
Show 38 more
  1. 2026-09-11 22:06 UTCGHSA enrichment
  2. 2026-09-11 14:53 UTCEPSS rescore
  3. 2026-09-10 23:56 UTCEG score recompute
  4. 2026-09-10 23:56 UTCGHSA enrichment
  5. 2026-09-10 09:35 UTCEPSS rescore
  6. 2026-09-10 01:35 UTCGHSA enrichment
  7. 2026-09-09 03:25 UTCEG score recompute
  8. 2026-09-09 03:25 UTCGHSA enrichment
  9. 2026-09-08 22:01 UTCEPSS rescore
  10. 2026-09-08 05:13 UTCEG score recompute
  11. 2026-09-08 05:13 UTCGHSA enrichment
  12. 2026-09-07 16:01 UTCEPSS rescore
  13. 2026-09-07 06:59 UTCEG score recompute
  14. 2026-09-07 06:59 UTCGHSA enrichment
  15. 2026-09-06 13:47 UTCEPSS rescore
  16. 2026-09-06 08:48 UTCEG score recompute
  17. 2026-09-06 08:48 UTCGHSA enrichment
  18. 2026-09-05 10:38 UTCEG score recompute
  19. 2026-09-05 10:38 UTCGHSA enrichment
  20. 2026-09-04 12:28 UTCEG score recompute
  21. 2026-09-04 12:28 UTCGHSA enrichment
  22. 2026-09-04 05:06 UTCEPSS rescore
  23. 2026-09-03 14:16 UTCGHSA enrichment
  24. 2026-09-02 16:05 UTCEG score recompute
  25. 2026-09-02 16:05 UTCGHSA enrichment
  26. 2026-09-02 14:12 UTCEPSS rescore
  27. 2026-09-01 17:51 UTCEG score recompute
  28. 2026-09-01 17:51 UTCGHSA enrichment
  29. 2026-09-01 13:54 UTCEPSS rescore
  30. 2026-09-01 04:40 UTCEPSS rescore
  31. 2026-08-31 19:41 UTCGHSA enrichment
  32. 2026-08-31 16:23 UTCEG score recompute
  33. 2026-08-31 16:23 UTCGHSA enrichment
  34. 2026-08-31 15:45 UTCEG score recompute
  35. 2026-08-31 15:45 UTCGHSA enrichment
  36. 2026-08-31 07:28 UTCEG score recompute
  37. 2026-08-31 06:43 UTCEG score recompute
  38. 2026-08-31 06:43 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-53620?
CVE-2026-53620 is a medium vulnerability published on August 31, 2026. GROWI contains a vulnerability with an authorization bypass through user-controlled key in the bookmark folder APIs. If this vulnerability is exploited, an authenticated attacker could retrieve, tamper with, and/or delete the other user's bookmark data.
When was CVE-2026-53620 disclosed?
CVE-2026-53620 was first published in the National Vulnerability Database on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53620 actively exploited?
CVE-2026-53620 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 78.3% of all scored CVEs.
What is the CVSS score of CVE-2026-53620?
CVE-2026-53620 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-53620?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53620, 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-2026-53620

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