CVE-2026-56815

HIGHPre-NVD 7.47.4—
EchelonGraph scoreMEDIUM confidence

Score 7.4 from GitHub Security Advisory (severity: HIGH) published 2026-06-23. a secondary CVSS source baseline 7.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.4Exploit: None knownExposed: 0

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

pwnlift before d7a9544, in a privileged deployment, contains a symlink following vulnerability in the upload handler in Components/Pages/Home.razor.

CVSS v3
7.4
EG Score
7.4(medium)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity74% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
7%
KEV
Not listed

Published

June 23, 2026

Last Modified

July 2, 2026

Advisory Details (2)

Auto-updated Jun 23, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

oss-security - pwnlift: symlink following and TOCTOU in privileged upload handler allow arbitrary file write as root

https://www.openwall.com/lists/oss-security/2026/06/23/2
github_commit

commit d7a95449d9ee (rasta-mouse/pwnlift)

Fix landed in rasta-mouse/pwnlift commit d7a95449d9ee — awaiting tagged release

https://github.com/rasta-mouse/pwnlift/commit/d7a95449d9ee1ea09ec1529286685f6187afbbed

Vendor Advisories for CVE-2026-56815(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 19× in last 7d / 100× 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 189 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-56815?
CVE-2026-56815 is a high vulnerability published on June 23, 2026. pwnlift before d7a9544, in a privileged deployment, contains a symlink following vulnerability in the upload handler in Components/Pages/Home.razor.
When was CVE-2026-56815 disclosed?
CVE-2026-56815 was first published in the National Vulnerability Database on June 23, 2026, with the most recent update on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56815 actively exploited?
CVE-2026-56815 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 93.3% of all scored CVEs.
What is the CVSS score of CVE-2026-56815?
CVE-2026-56815 has a CVSS v3 base score of 7.4 (NVD).
How do I remediate CVE-2026-56815?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56815, 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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