CVE-2026-40941

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 95% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
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.

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have a package import signature validation bypass allows which allows self-signed packages. This issue has been fixed in version 1.2.31.

CVSS v3
6.5
EG Score
6.5(medium)
EPSS
5.4%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 29, 2026

Advisory Details (2)

Auto-updated Jun 25, 2026
Patch available. Sources: github_pr, github.
github Patch Available

Package Import Signature Validation Bypass allows self-signed packages · Advisory · Cacti/cacti · GitHub

https://github.com/Cacti/cacti/security/advisories/GHSA-274c-97hj-pv2v
github_pr Patch Available

feat(security): architectural security helpers — eliminate vulnerability classes at root

Patch available: Cacti/cacti release/1.2.31 (PR #7054 merged 2026-04-26)

https://github.com/Cacti/cacti/pull/7054

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 17× in last 7d / 40× 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. 2026-07-12 13:21 UTCEG score recompute
  2. 2026-07-12 05:46 UTCEPSS rescore
  3. 2026-07-11 14:35 UTCEG score recompute
  4. 2026-07-11 08:27 UTCEPSS rescore
  5. 2026-07-10 15:49 UTCEG score recompute
  6. 2026-07-09 19:10 UTCEPSS rescore
  7. 2026-07-09 17:03 UTCEG score recompute
  8. 2026-07-08 18:17 UTCEG score recompute
  9. 2026-07-08 15:15 UTCEPSS rescore
  10. 2026-07-07 19:31 UTCEG score recompute
  11. 2026-07-07 13:46 UTCEPSS rescore
  12. 2026-07-06 20:26 UTCEG score recompute
  13. 2026-07-06 16:27 UTCEPSS rescore
  14. 2026-07-06 16:27 UTCEPSS rescore
  15. 2026-07-06 02:23 UTCEPSS rescore
  16. 2026-07-06 02:23 UTCEPSS rescore
  17. 2026-07-05 21:28 UTCEG score recompute
  18. 2026-07-04 22:43 UTCEG score recompute
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-03 23:57 UTCEG score recompute
  21. 2026-07-03 01:11 UTCEG score recompute
  22. 2026-07-02 02:26 UTCEG score recompute
  23. 2026-07-01 15:06 UTCEPSS rescore
  24. 2026-07-01 03:41 UTCEG score recompute
  25. 2026-06-30 23:22 UTCEPSS rescore
Show 15 more
  1. 2026-06-30 04:53 UTCEG score recompute▼ 0.60
  2. 2026-06-29 19:26 UTCNVD updateCVSS v3 → 6.5 · severity → MEDIUM
  3. 2026-06-29 16:02 UTCEG score recompute
  4. 2026-06-29 14:06 UTCEPSS rescore
  5. 2026-06-29 03:26 UTCEG score recompute
  6. 2026-06-28 14:50 UTCEG score recompute
  7. 2026-06-28 14:07 UTCEPSS rescore
  8. 2026-06-28 04:56 UTCEPSS rescore
  9. 2026-06-28 02:14 UTCEG score recompute
  10. 2026-06-27 13:38 UTCEG score recompute
  11. 2026-06-27 03:08 UTCEPSS rescore
  12. 2026-06-27 01:02 UTCEG score recompute
  13. 2026-06-26 12:27 UTCEG score recompute
  14. 2026-06-25 23:51 UTCEG score recompute
  15. 2026-06-25 23:50 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-40941?
CVE-2026-40941 is a medium vulnerability published on June 25, 2026. Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have a package import signature validation bypass allows which allows self-signed packages. This issue has been fixed in version 1.2.31.
When was CVE-2026-40941 disclosed?
CVE-2026-40941 was first published in the National Vulnerability Database on June 25, 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-2026-40941 actively exploited?
CVE-2026-40941 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-40941?
CVE-2026-40941 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-40941?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40941, 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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