CVE-2026-70428

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-08-05. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

Jenkins 2.575 and earlier, LTS 2.568.1 and earlier improperly identifies file paths attempting path traversal in file parameter names, allowing attackers with Item/Configure and Item/Build permission to write files to arbitrary locations on the controller file system.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
16%
KEV
Not listed

Published

August 5, 2026

Last Modified

August 5, 2026

Advisory Details (1)

Auto-updated Aug 5, 2026
No patch confirmed yet.
generic

Jenkins Security Advisory 2026-08-05

https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3927

Vendor Advisories for CVE-2026-70428(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 22× in last 7d / 48× 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 15:08 UTCEG score recompute
  3. 2026-08-20 15:08 UTCGHSA enrichment
  4. 2026-08-19 17:04 UTCEPSS rescore
  5. 2026-08-19 15:21 UTCGHSA enrichment
  6. 2026-08-18 15:44 UTCEG score recompute
  7. 2026-08-18 15:44 UTCGHSA enrichment
  8. 2026-08-18 13:49 UTCEPSS rescore
  9. 2026-08-18 13:49 UTCEPSS rescore
  10. 2026-08-17 15:27 UTCEG score recompute
  11. 2026-08-17 15:27 UTCGHSA enrichment
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-16 15:50 UTCEG score recompute
  14. 2026-08-16 15:50 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 14:56 UTCEPSS rescore
  17. 2026-08-16 02:15 UTCEPSS rescore
  18. 2026-08-15 16:13 UTCEG score recompute
  19. 2026-08-15 16:13 UTCGHSA enrichment
  20. 2026-08-15 01:31 UTCEPSS rescore
  21. 2026-08-14 16:35 UTCEG score recompute
  22. 2026-08-14 16:35 UTCGHSA enrichment
  23. 2026-08-13 22:00 UTCEPSS rescore
  24. 2026-08-13 16:49 UTCGHSA enrichment
  25. 2026-08-12 17:12 UTCEG score recompute
Show 23 more
  1. 2026-08-12 17:12 UTCGHSA enrichment
  2. 2026-08-12 13:51 UTCEPSS rescore
  3. 2026-08-11 17:36 UTCEG score recompute
  4. 2026-08-11 17:35 UTCGHSA enrichment
  5. 2026-08-11 00:00 UTCEPSS rescore
  6. 2026-08-10 17:57 UTCGHSA enrichment
  7. 2026-08-09 17:58 UTCEG score recompute
  8. 2026-08-09 17:58 UTCGHSA enrichment
  9. 2026-08-09 13:47 UTCEPSS rescore
  10. 2026-08-08 18:21 UTCEG score recompute
  11. 2026-08-08 18:21 UTCGHSA enrichment
  12. 2026-08-08 16:37 UTCEPSS rescore
  13. 2026-08-07 18:44 UTCEG score recompute
  14. 2026-08-07 18:44 UTCGHSA enrichment
  15. 2026-08-06 19:07 UTCEG score recompute
  16. 2026-08-06 19:07 UTCGHSA enrichment
  17. 2026-08-06 13:47 UTCEPSS rescore
  18. 2026-08-05 19:30 UTCEG score recompute▲ 4.30
  19. 2026-08-05 19:30 UTCGHSA enrichment
  20. 2026-08-05 19:30 UTCNVD updateCVSS v3 → 4.3 · severity → MEDIUM
  21. 2026-08-05 18:29 UTCNVD update
  22. 2026-08-05 17:56 UTCEG score recompute
  23. 2026-08-05 17:55 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-70428?
CVE-2026-70428 is a medium vulnerability published on August 5, 2026. Jenkins 2.575 and earlier, LTS 2.568.1 and earlier improperly identifies file paths attempting path traversal in file parameter names, allowing attackers with Item/Configure and Item/Build permission to write files to arbitrary locations on the controller file system.
When was CVE-2026-70428 disclosed?
CVE-2026-70428 was first published in the National Vulnerability Database on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-70428 actively exploited?
CVE-2026-70428 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 84.0% of all scored CVEs.
What is the CVSS score of CVE-2026-70428?
CVE-2026-70428 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-70428?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-70428, 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-2026-70428

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