CVE-2026-56115

HIGHPre-NVD 8.85.3▼
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-06-23. a secondary CVSS source baseline 8.8; sources differ by 3.5.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

Bootimus through 0.1.70 contains a broken access control vulnerability that allows authenticated low-privileged users to perform administrative actions by exploiting missing role enforcement in the JWTMiddleware function in internal/auth/auth.go, which validates JWT tokens and account status but fails to inspect the is_admin flag. Attackers can send requests to any endpoint under the /api/users path to create new administrator accounts or reset administrator passwords, thereby gaining full control of the server and the ability to modify boot menus and installation scripts served to PXE clients.

CVSS v3
8.8
EG Score
5.3(medium)
EPSS
22.4%
KEV
Not listed

Published

June 23, 2026

Last Modified

June 29, 2026

Advisory Details (2)

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

dhcpcd Stack Out-of-Bounds Write in dhcp6_makemessage() | Advisories | VulnCheck

https://www.vulncheck.com/advisories/dhcpcd-stack-out-of-bounds-write-in-dhcp6-makemessage
github_commit

commit 2f00c7bfc408 (NetworkConfiguration/dhcpcd)

Fix landed in NetworkConfiguration/dhcpcd commit 2f00c7bfc408 — awaiting tagged release

https://github.com/NetworkConfiguration/dhcpcd/commit/2f00c7bfc408b6582d331932dfa47829c4819029

Vendor Advisories for CVE-2026-56115(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 22× in last 7d / 45× 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. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 16:27 UTCEPSS rescore
  3. 2026-07-06 09:27 UTCEG score recompute
  4. 2026-07-06 09:27 UTCGHSA enrichment
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 07:50 UTCEG score recompute
  8. 2026-07-05 07:49 UTCGHSA enrichment
  9. 2026-07-05 02:31 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 06:34 UTCEG score recompute
  12. 2026-07-04 06:34 UTCGHSA enrichment
  13. 2026-07-04 06:31 UTCEPSS rescore
  14. 2026-07-04 06:31 UTCEPSS rescore
  15. 2026-07-03 05:08 UTCEG score recompute
  16. 2026-07-03 05:08 UTCGHSA enrichment
  17. 2026-07-02 03:53 UTCEG score recompute
  18. 2026-07-02 03:53 UTCGHSA enrichment
  19. 2026-07-01 15:07 UTCEPSS rescore
  20. 2026-07-01 02:40 UTCEG score recompute
  21. 2026-07-01 02:40 UTCGHSA enrichment
  22. 2026-06-30 23:22 UTCEPSS rescore
  23. 2026-06-30 01:27 UTCEG score recompute
  24. 2026-06-30 01:27 UTCGHSA enrichment
  25. 2026-06-29 14:06 UTCEPSS rescore
Show 20 more
  1. 2026-06-29 14:06 UTCEPSS rescore
  2. 2026-06-29 00:14 UTCEG score recompute
  3. 2026-06-29 00:14 UTCGHSA enrichment
  4. 2026-06-28 14:07 UTCEPSS rescore
  5. 2026-06-28 04:56 UTCEPSS rescore
  6. 2026-06-28 04:56 UTCEPSS rescore
  7. 2026-06-27 23:01 UTCEG score recompute
  8. 2026-06-27 23:01 UTCGHSA enrichment
  9. 2026-06-27 03:08 UTCEPSS rescore
  10. 2026-06-26 21:48 UTCEG score recompute
  11. 2026-06-26 21:48 UTCGHSA enrichment
  12. 2026-06-25 20:32 UTCEG score recompute
  13. 2026-06-25 20:32 UTCGHSA enrichment
  14. 2026-06-25 17:48 UTCNVD updateCVSS v3 → 8.8 · CVSS v4 → 8.7 · severity → HIGH
  15. 2026-06-25 13:49 UTCEPSS rescore
  16. 2026-06-24 19:19 UTCEG score recompute
  17. 2026-06-24 19:19 UTCGHSA enrichment
  18. 2026-06-24 14:05 UTCEPSS rescore
  19. 2026-06-23 17:35 UTCEG score recompute
  20. 2026-06-23 17:34 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56115?
CVE-2026-56115 is a high vulnerability published on June 23, 2026. Bootimus through 0.1.70 contains a broken access control vulnerability that allows authenticated low-privileged users to perform administrative actions by exploiting missing role enforcement in the JWTMiddleware function in internal/auth/auth.go, which validates JWT tokens and account status but…
When was CVE-2026-56115 disclosed?
CVE-2026-56115 was first published in the National Vulnerability Database on June 23, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56115 actively exploited?
CVE-2026-56115 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56115?
CVE-2026-56115 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.3.
How do I remediate CVE-2026-56115?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56115, 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

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