CVE-2026-57951

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-29. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

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

Mythic before 3.4.0.60 contains a broken hasura permission filter on the payload_build_step table with an always-satisfied _or condition that bypasses operation-scoped access controls. Authenticated operators and spectators can query payload_build_step to read step_stdout, step_stderr, step_name, and step_description across all operations on the server.

CVSS v3
6.5
EG Score
6.5(high)
EPSS
15.8%
KEV
Not listed

Published

June 29, 2026

Last Modified

July 1, 2026

Advisory Details (3)

Auto-updated Jun 29, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

Mythic < 3.4.0.60 - Broken Permission Filter in payload_build_step Table | Advisories | VulnCheck

https://www.vulncheck.com/advisories/mythic-broken-permission-filter-in-payload-build-step-table
github_commit

commit 82648e8241b8 (its-a-feature/Mythic)

Fix landed in its-a-feature/Mythic commit 82648e8241b8 — awaiting tagged release

https://github.com/its-a-feature/Mythic/commit/82648e8241b800a32e1882afc310e7316d98ebaa
generic

Cross-operation payload build log disclosure via broken Hasura permission filter · Issue #563 · its-a-feature/Mythic · GitHub

https://github.com/its-a-feature/Mythic/issues/563

Vendor Advisories for CVE-2026-57951(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 22× in last 7d / 24× 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.

  1. 2026-07-07 00:22 UTCEG score recompute
  2. 2026-07-07 00:22 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 23:28 UTCEG score recompute
  8. 2026-07-05 23:28 UTCGHSA enrichment
  9. 2026-07-05 02:31 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 22:34 UTCEG score recompute
  12. 2026-07-04 22:34 UTCGHSA enrichment
  13. 2026-07-03 21:40 UTCEG score recompute
  14. 2026-07-03 21:40 UTCGHSA enrichment
  15. 2026-07-02 20:47 UTCEG score recompute
  16. 2026-07-02 20:47 UTCGHSA enrichment
  17. 2026-07-01 19:51 UTCEG score recompute
  18. 2026-07-01 19:51 UTCGHSA enrichment
  19. 2026-07-01 15:07 UTCEPSS rescore
  20. 2026-06-30 23:22 UTCEPSS rescore
  21. 2026-06-30 18:57 UTCEG score recompute
  22. 2026-06-30 18:57 UTCGHSA enrichment
  23. 2026-06-29 18:03 UTCEG score recompute
  24. 2026-06-29 18:02 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-57951?
CVE-2026-57951 is a medium vulnerability published on June 29, 2026. Mythic before 3.4.0.60 contains a broken hasura permission filter on the payloadbuildstep table with an always-satisfied or condition that bypasses operation-scoped access controls. Authenticated operators and spectators can query payloadbuildstep to read stepstdout, stepstderr, stepname, and…
When was CVE-2026-57951 disclosed?
CVE-2026-57951 was first published in the National Vulnerability Database on June 29, 2026, with the most recent update on July 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57951 actively exploited?
CVE-2026-57951 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 15.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-57951?
CVE-2026-57951 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-57951?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57951, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-57951

Explore →

Is Your Infrastructure Affected by CVE-2026-57951?

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

Start Free Scan →Browse All CVEs