CVE-2026-56748

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-27. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: None knownExposed: 0

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

Improper validation of symbolic links in the Pack Git import feature in Cribl Stream before 4.18.2 allows a remote authenticated attacker with Pack import and pipeline preview permissions to execute arbitrary code as the Cribl server process via a crafted Git repository containing a symbolic link in the pack's functions directory.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
46%
KEV
Not listed

Published

July 27, 2026

Last Modified

August 20, 2026

Advisory Details (2)

Auto-updated Jul 27, 2026
No patch confirmed yet.
generic

TrustShare

https://trust.cribl.io/notifications
generic

Cribl Stream 4.18.2 | Cribl Docs

https://docs.cribl.io/stream/release-notes/release-v4182/#security-fixes

Vendor Advisories for CVE-2026-56748(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 23× in last 7d / 94× 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 192 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-56748?
CVE-2026-56748 is a high vulnerability published on July 27, 2026. Improper validation of symbolic links in the Pack Git import feature in Cribl Stream before 4.18.2 allows a remote authenticated attacker with Pack import and pipeline preview permissions to execute arbitrary code as the Cribl server process via a crafted Git repository containing a symbolic link…
When was CVE-2026-56748 disclosed?
CVE-2026-56748 was first published in the National Vulnerability Database on July 27, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56748 actively exploited?
CVE-2026-56748 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 53.7% of all scored CVEs.
What is the CVSS score of CVE-2026-56748?
CVE-2026-56748 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-56748?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56748, 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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