CVE-2026-61899

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-10. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 0

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

Vulnerability in tapestry-core in Apache Tapestry 5.5.0+ on all platforms allows attackers to download clsspath assets via specially crafted URLs. Users are recommended to upgrade to version 5.9.1, which fixes this issue.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
46%
KEV
Not listed

Published

August 10, 2026

Last Modified

August 18, 2026

Advisory Details (1)

Auto-updated Aug 10, 2026
No patch confirmed yet.
generic
https://lists.apache.org/thread/6j3yojqrdsxkrfz52d0zjyrf5n9xttmw

Vendor Advisories for CVE-2026-61899(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 29× in last 7d / 50× 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. 2026-08-21 01:55 UTCEG score recompute
  2. 2026-08-21 01:55 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 14:17 UTCGHSA enrichment
  5. 2026-08-20 02:12 UTCEG score recompute
  6. 2026-08-20 02:12 UTCGHSA enrichment
  7. 2026-08-19 17:04 UTCEPSS rescore
  8. 2026-08-19 14:37 UTCGHSA enrichment
  9. 2026-08-19 02:58 UTCGHSA enrichment
  10. 2026-08-18 14:54 UTCEG score recompute
  11. 2026-08-18 14:54 UTCGHSA enrichment
  12. 2026-08-18 13:48 UTCEPSS rescore
  13. 2026-08-18 04:36 UTCGHSA enrichment
  14. 2026-08-17 16:59 UTCEG score recompute
  15. 2026-08-17 16:59 UTCGHSA enrichment
  16. 2026-08-17 13:47 UTCEPSS rescore
  17. 2026-08-17 05:24 UTCGHSA enrichment
  18. 2026-08-16 17:41 UTCEG score recompute
  19. 2026-08-16 17:41 UTCGHSA enrichment
  20. 2026-08-16 14:56 UTCEPSS rescore
  21. 2026-08-16 06:05 UTCEG score recompute
  22. 2026-08-16 06:05 UTCGHSA enrichment
  23. 2026-08-15 18:31 UTCGHSA enrichment
  24. 2026-08-15 06:56 UTCEG score recompute
  25. 2026-08-15 06:56 UTCGHSA enrichment
Show 25 more
  1. 2026-08-15 01:30 UTCEPSS rescore
  2. 2026-08-14 19:21 UTCGHSA enrichment
  3. 2026-08-14 07:47 UTCEG score recompute
  4. 2026-08-14 07:47 UTCGHSA enrichment
  5. 2026-08-13 22:00 UTCEPSS rescore
  6. 2026-08-13 20:12 UTCGHSA enrichment
  7. 2026-08-13 08:37 UTCGHSA enrichment
  8. 2026-08-12 21:03 UTCGHSA enrichment
  9. 2026-08-12 18:49 UTCEG score recompute
  10. 2026-08-12 18:49 UTCGHSA enrichment
  11. 2026-08-12 13:51 UTCEPSS rescore
  12. 2026-08-12 07:14 UTCGHSA enrichment
  13. 2026-08-11 19:39 UTCEG score recompute
  14. 2026-08-11 19:39 UTCGHSA enrichment
  15. 2026-08-11 08:04 UTCEG score recompute
  16. 2026-08-11 08:04 UTCGHSA enrichment
  17. 2026-08-10 20:30 UTCGHSA enrichment
  18. 2026-08-10 20:05 UTCEG score recompute▲ 7.50
  19. 2026-08-10 20:05 UTCGHSA enrichment
  20. 2026-08-10 20:04 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  21. 2026-08-10 12:20 UTCNVD update
  22. 2026-08-10 11:41 UTCMITRE cvelistV5
  23. 2026-08-10 11:19 UTCNVD update
  24. 2026-08-10 10:57 UTCEG score recompute
  25. 2026-08-10 10:56 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-61899?
CVE-2026-61899 is a high vulnerability published on August 10, 2026. Vulnerability in tapestry-core in Apache Tapestry 5.5.0+ on all platforms allows attackers to download clsspath assets via specially crafted URLs. Users are recommended to upgrade to version 5.9.1, which fixes this issue.
When was CVE-2026-61899 disclosed?
CVE-2026-61899 was first published in the National Vulnerability Database on August 10, 2026, with the most recent update on August 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-61899 actively exploited?
CVE-2026-61899 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 54.1% of all scored CVEs.
What is the CVSS score of CVE-2026-61899?
CVE-2026-61899 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-61899?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-61899, 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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