CVE-2026-0239

MEDIUMNVD 6.54.9▼
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.9 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 94% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

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

An information disclosure vulnerability in the Chronosphere Chronocollector enables an unauthenticated attacker with network access to the collector service to retrieve sensitive information.

CVSS v3
6.5
EG Score
4.9(medium)
EPSS
7.0%
KEV
Not listed

Published

May 13, 2026

Last Modified

July 13, 2026

Advisory Details (1)

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

CVE-2026-0239 Chronosphere Chronocollector Information Disclosure Vulnerability

https://security.paloaltonetworks.com/CVE-2026-0239

Vendor Advisories for CVE-2026-0239(2)

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 8× in last 7d / 46× 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.

Showing the most recent 100 of 134 total refreshes for this CVE.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 02:00 UTCEPSS rescore
  3. 2026-07-13 22:30 UTCEPSS rescore
  4. 2026-07-13 16:08 UTCNVD updateCVSS v3 → 6.5
  5. 2026-07-13 06:12 UTCEPSS rescore
  6. 2026-07-12 05:46 UTCEPSS rescore
  7. 2026-07-11 08:27 UTCEPSS rescore
  8. 2026-07-09 19:10 UTCEPSS rescore
  9. 2026-07-08 15:15 UTCEPSS rescore
  10. 2026-07-08 15:15 UTCEPSS rescore
  11. 2026-07-07 13:46 UTCEPSS rescore
  12. 2026-07-06 16:27 UTCEPSS rescore
  13. 2026-07-06 02:23 UTCEPSS rescore
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-05 02:30 UTCEPSS rescore
  16. 2026-07-04 06:31 UTCEPSS rescore
  17. 2026-07-01 15:06 UTCEPSS rescore
  18. 2026-07-01 15:06 UTCEPSS rescore
  19. 2026-06-30 23:22 UTCEPSS rescore
  20. 2026-06-29 22:15 UTCEG score recompute
  21. 2026-06-29 22:15 UTCGHSA enrichment
  22. 2026-06-29 14:06 UTCEPSS rescore
  23. 2026-06-28 14:07 UTCEPSS rescore
  24. 2026-06-28 04:56 UTCEPSS rescore
  25. 2026-06-28 04:56 UTCEPSS rescore
Show 75 more
  1. 2026-06-27 23:27 UTCEG score recompute
  2. 2026-06-27 23:27 UTCGHSA enrichment
  3. 2026-06-27 03:08 UTCEPSS rescore
  4. 2026-06-26 20:30 UTCEG score recompute
  5. 2026-06-26 20:30 UTCGHSA enrichment
  6. 2026-06-25 19:37 UTCEG score recompute
  7. 2026-06-25 19:37 UTCGHSA enrichment
  8. 2026-06-25 13:49 UTCEPSS rescore
  9. 2026-06-24 14:05 UTCEPSS rescore
  10. 2026-06-23 21:32 UTCEPSS rescore
  11. 2026-06-22 14:25 UTCEPSS rescore
  12. 2026-06-22 14:25 UTCEPSS rescore
  13. 2026-06-21 14:56 UTCEPSS rescore
  14. 2026-06-21 14:56 UTCEPSS rescore
  15. 2026-06-21 01:59 UTCEPSS rescore
  16. 2026-06-21 01:59 UTCEPSS rescore
  17. 2026-06-19 19:25 UTCEPSS rescore
  18. 2026-06-18 17:52 UTCEPSS rescore
  19. 2026-06-17 03:58 UTCEG score recompute
  20. 2026-06-17 03:58 UTCGHSA enrichment
  21. 2026-06-16 17:52 UTCEPSS rescore
  22. 2026-06-16 02:52 UTCEG score recompute
  23. 2026-06-16 02:52 UTCGHSA enrichment
  24. 2026-06-15 17:48 UTCEPSS rescore
  25. 2026-06-15 00:33 UTCEG score recompute
  26. 2026-06-15 00:33 UTCGHSA enrichment
  27. 2026-06-14 23:18 UTCEPSS rescore
  28. 2026-06-13 23:44 UTCEG score recompute
  29. 2026-06-13 23:44 UTCGHSA enrichment
  30. 2026-06-13 23:00 UTCEPSS rescore
  31. 2026-06-13 23:00 UTCEPSS rescore
  32. 2026-06-12 23:12 UTCEPSS rescore
  33. 2026-06-12 15:01 UTCEG score recompute
  34. 2026-06-12 15:01 UTCGHSA enrichment
  35. 2026-06-11 14:11 UTCEG score recompute
  36. 2026-06-11 14:11 UTCGHSA enrichment
  37. 2026-06-11 14:00 UTCEPSS rescore
  38. 2026-06-10 22:18 UTCEPSS rescore
  39. 2026-06-10 13:22 UTCEPSS rescore
  40. 2026-06-10 13:22 UTCEG score recompute
  41. 2026-06-10 13:22 UTCGHSA enrichment
  42. 2026-06-09 12:33 UTCEG score recompute
  43. 2026-06-09 12:33 UTCGHSA enrichment
  44. 2026-06-08 14:17 UTCEPSS rescore
  45. 2026-06-08 14:17 UTCEPSS rescore
  46. 2026-06-08 11:44 UTCEG score recompute
  47. 2026-06-08 11:44 UTCGHSA enrichment
  48. 2026-06-07 15:25 UTCEPSS rescore
  49. 2026-06-07 15:24 UTCEPSS rescore
  50. 2026-06-07 10:55 UTCEG score recompute
  51. 2026-06-07 10:55 UTCGHSA enrichment
  52. 2026-06-06 13:47 UTCEPSS rescore
  53. 2026-06-06 13:47 UTCEPSS rescore
  54. 2026-06-06 13:47 UTCEPSS rescore
  55. 2026-06-06 10:07 UTCEG score recompute
  56. 2026-06-06 10:07 UTCGHSA enrichment
  57. 2026-06-05 22:47 UTCEPSS rescore
  58. 2026-06-05 09:18 UTCEG score recompute
  59. 2026-06-05 09:18 UTCGHSA enrichment
  60. 2026-06-05 06:10 UTCEPSS rescore
  61. 2026-06-05 06:10 UTCEPSS rescore
  62. 2026-06-04 13:12 UTCEPSS rescore
  63. 2026-06-04 13:12 UTCEPSS rescore
  64. 2026-06-04 13:12 UTCEPSS rescore
  65. 2026-06-04 08:29 UTCEG score recompute
  66. 2026-06-04 08:29 UTCGHSA enrichment
  67. 2026-06-03 07:40 UTCEG score recompute
  68. 2026-06-03 07:40 UTCGHSA enrichment
  69. 2026-06-02 20:13 UTCEPSS rescore
  70. 2026-06-02 20:13 UTCEPSS rescore
  71. 2026-06-02 06:51 UTCEG score recompute
  72. 2026-06-02 06:51 UTCGHSA enrichment
  73. 2026-06-01 13:51 UTCEPSS rescore
  74. 2026-06-01 13:51 UTCEPSS rescore
  75. 2026-06-01 13:51 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-0239?
CVE-2026-0239 is a medium vulnerability published on May 13, 2026. An information disclosure vulnerability in the Chronosphere Chronocollector enables an unauthenticated attacker with network access to the collector service to retrieve sensitive information.
When was CVE-2026-0239 disclosed?
CVE-2026-0239 was first published in the National Vulnerability Database on May 13, 2026, with the most recent update on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-0239 actively exploited?
CVE-2026-0239 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-0239?
CVE-2026-0239 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 4.9.
How do I remediate CVE-2026-0239?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-0239, 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-2026-0239

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