CVE-2018-25332

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-17. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

GitBucket 4.23.1 contains an unauthenticated remote code execution vulnerability that allows attackers to execute arbitrary commands by exploiting weak secret token generation and insecure file upload functionality. Attackers can brute-force the Blowfish encryption key, upload a malicious JAR plugin via the git-lfs endpoint, and execute system commands through an exposed exploit endpoint.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
47%
KEV
Not listed

Published

May 17, 2026

Last Modified

May 27, 2026

Advisory Details (4)

Auto-updated Sep 16, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

GitBucket 4.23.1 Unauthenticated Remote Code Execution | Advisories | VulnCheck

https://www.vulncheck.com/advisories/gitbucket-unauthenticated-remote-code-execution
generic🟡 PoC Available

GitBucket 4.23.1 - Remote Code Execution - Java webapps Exploit

https://www.exploit-db.com/exploits/44668
generic

Kacper Szurek - blog

https://security.szurek.pl/
generic

GitHub - gitbucket/gitbucket: A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility · GitHub

https://github.com/gitbucket/gitbucket

Vendor Advisories for CVE-2018-25332(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 6× in last 7d / 30× 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 388 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2018-25332?
CVE-2018-25332 is a critical vulnerability published on May 17, 2026. GitBucket 4.23.1 contains an unauthenticated remote code execution vulnerability that allows attackers to execute arbitrary commands by exploiting weak secret token generation and insecure file upload functionality. Attackers can brute-force the Blowfish encryption key, upload a malicious JAR…
When was CVE-2018-25332 disclosed?
CVE-2018-25332 was first published in the National Vulnerability Database on May 17, 2026, with the most recent update on May 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-25332 actively exploited?
CVE-2018-25332 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 53.2% of all scored CVEs.
What is the CVSS score of CVE-2018-25332?
CVE-2018-25332 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-25332?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-25332, 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.

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