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
7.4EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 7.4Exploit: None knownExposed services: Not assessed

An upstream fix is merged but not yet released — mitigate (WAF / firewall / segmentation) until the release ships, then apply it.

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
7.4HIGHmedium confidence
EG Risk
33
EG Risk 33/100

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%
EPSS PROB
0.2%
EPSS %ILE
6th
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 8× in last 7d / 32× 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 234 total refreshes for this CVE.

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

Related CVEs(same CWE)

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 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 0.2% probability of exploitation in the next 30 days (6th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-56815?
CVE-2026-56815 has a CVSS base score of 7.4 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-56815?
An upstream fix for CVE-2026-56815 has been merged but is not yet in a tagged release. Until it ships, restrict network exposure of the affected system or apply the vendor's mitigation, then update to the release that contains the fix. The vendor advisories EchelonGraph has for CVE-2026-56815 are linked in the Vendor Advisories panel on this page.

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