CVE-2026-18806

HIGHPre-NVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-04. A secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.1EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 7.1Exploit: None knownExposed services: Not assessed

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

External control of file name or path vulnerability in TÜBİTAK BİLGEM Software Technologies Research Institute pardus-image-writer allows Removing Important Client Functionality.

This issue affects pardus-image-writer: before 0.9.0.

CVSS v3
7.1
EG Score
7.1HIGHmedium confidence
EG Risk
32
EG Risk 32/100CISA SSVC

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
Severity71% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.1%
EPSS %ILE
3rd
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 4, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Aug 4, 2026
No patch confirmed yet.
generic

T.C. Siber Güvenlik Başkanlığı

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0740

Vendor Advisories for CVE-2026-18806(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 18× in last 7d / 79× 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 191 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-18806?
CVE-2026-18806 is a high vulnerability published on August 4, 2026. External control of file name or path vulnerability in TÜBİTAK BİLGEM Software Technologies Research Institute pardus-image-writer allows Removing Important Client Functionality. This issue affects pardus-image-writer: before 0.9.0.
When was CVE-2026-18806 disclosed?
CVE-2026-18806 was first published on August 4, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18806 actively exploited?
CVE-2026-18806 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (3rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-18806?
CVE-2026-18806 has a CVSS base score of 7.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-18806?
No fix for CVE-2026-18806 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-18806 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-18806

Explore →

Is Your Infrastructure Affected by CVE-2026-18806?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Book a Demo →Browse All CVEs