CVE-2026-36365

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-04. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

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

An issue in Lymphatus caesium-image-compressor All versions up to and including commit 02da2c6 allows a local attacker to execute arbitrary code via the shutdownMachine and putMachineToSleep functions in PostCompressionActions.cpp

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
3.5%
KEV
Not listed

Published

May 4, 2026

Last Modified

May 7, 2026

Advisory Details (4)

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

vulnerability-research/advisories/CVE-2026-36365.md at main · mertsatilmaz/vulnerability-research · GitHub

https://github.com/mertsatilmaz/vulnerability-research/blob/main/advisories/CVE-2026-36365.md
generic

fix: security vulnerabilities identified and patched by mertsatilmaz · Pull Request #376 · Lymphatus/caesium-image-compressor · GitHub

https://github.com/Lymphatus/caesium-image-compressor/pull/376
generic

caesium-image-compressor/src/utils/PostCompressionActions.cpp at main · Lymphatus/caesium-image-compressor · GitHub

https://github.com/Lymphatus/caesium-image-compressor/blob/main/src/utils/PostCompressionActions.cpp
generic

GitHub - Lymphatus/caesium-image-compressor: Caesium is an image compression software that helps you store, send and share digital pictures, supporting JPG, PNG, WebP and TIFF formats. You can quickly reduce the file size (and resolution, if you want) by preserving the overall quality of the image. · GitHub

https://github.com/Lymphatus/caesium-image-compressor

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 35× 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 129 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-36365?
CVE-2026-36365 is a high vulnerability published on May 4, 2026. An issue in Lymphatus caesium-image-compressor All versions up to and including commit 02da2c6 allows a local attacker to execute arbitrary code via the shutdownMachine and putMachineToSleep functions in PostCompressionActions.cpp
When was CVE-2026-36365 disclosed?
CVE-2026-36365 was first published in the National Vulnerability Database on May 4, 2026, with the most recent update on May 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-36365 actively exploited?
CVE-2026-36365 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-36365?
CVE-2026-36365 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-36365?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36365, 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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