CVE-2026-61612

MEDIUMPre-NVD 5.75.7
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

Score 5.7 from GitHub Security Advisory (severity: MODERATE) published 2026-09-22. A secondary CVSS source baseline 5.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, a secondary CVSS source
Trending — 4 sources updated this week

Also known asEUVD-2026-84031 (ENISA EUVD) · GHSA-798p-78g2-v556 (GitHub Security Advisories)Source: ENISA EUVD

5.7EG
EchelonGraph verdictMonitorRemediate within your standard update timelines (the SSVC decision on this page).
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 5.7Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

CKAN MCP Server is a tool for querying CKAN open data portals. Prior to version 0.4.108, the SSRF guard validateServerUrl (added for CVE-2026-33060, extended for CVE-2026-53509) validates only the hostname string and never resolves DNS. Any caller-supplied server_url whose hostname *resolves* to an internal address passes the guard, so the server issues requests to loopback and cloud metadata (169.254.169.254). This is a third bypass of the same guard, and it reaches IMDS — strictly more than CVE-2026-53509, which only reached loopback. Version 0.4.108 contains an updated fix.

CVSS v3
5.7
EG Score
5.7MEDIUMmedium confidence
EG Risk
26
EG Risk 26/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity57% × 45%
Impact severity (EG Severity): CVSS 5.7 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.4% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at every mission impact level.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.4%
EPSS %ILE
33rd
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (5.7): severity, escalated by confirmed exploitation. This CVE's 5.7 is its impact severity (EG Severity), not escalated.

EG Severity
5.7 MEDIUMCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
0.4% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-31). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at every mission impact level.CISA BOD 26-04: 60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

September 21, 2026

Last Modified

September 24, 2026

Advisory Details (5)

Auto-updated Sep 21, 2026
Patch available. Sources: github, github_commit, github_release.
GitHub release Patch Available

v0.4.108 - SSRF DNS-resolution fix + mandatory HTTP allowlist

Patch available: ondata/ckan-mcp-server v0.4.108

https://github.com/ondata/ckan-mcp-server/releases/tag/v0.4.108
GitHub advisoryMentions a patch (unverified)

@aborruso/ckan-mcp-server: SSRF via base_url allows access to internal networks (Potential fix bypass of CVE-2026-33060) · CVE-2026-53509 · GitHub Advisory Database · GitHub

https://github.com/advisories/GHSA-g84h-j7jj-x32p
GitHub advisoryMentions a patch (unverified)

SSRF in @aborruso/ckan-mcp-server via base_url allows access to internal networks · CVE-2026-33060 · GitHub Advisory Database · GitHub

https://github.com/advisories/GHSA-3xm7-qw7j-qc8v
GitHub commit Patch Available

commit bb7439b553b9 (ondata/ckan-mcp-server)

Patch available: ondata/ckan-mcp-server v0.4.108 (contains commit bb7439b553b9)

https://github.com/ondata/ckan-mcp-server/commit/bb7439b553b9f965adc3d43bcd415c42eebe2f40
GitHub advisoryMentions a patch (unverified)

SSRF via DNS-name → internal IP — incomplete fix of CVE-2026-53509 · Advisory · ondata/ckan-mcp-server · GitHub

https://github.com/ondata/ckan-mcp-server/security/advisories/GHSA-798p-78g2-v556

Vendor Advisories for CVE-2026-61612(1)

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

Patch Availability(1)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
npm@aborruso/ckan-mcp-server @ 0.4.108 (fixes <= 0.4.107)—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFix by version rangeDependents
@aborruso/ckan-mcp-server—
  • every version up to 0.4.108: fixed in 0.4.108
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 46× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

  1. 2026-11-02 16:45 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  2. 2026-11-01 16:35 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  3. 2026-11-01 07:41 UTCGHSA enrichmentGHSA-798p-78g2-v556 · GitHub severity MODERATE · GitHub CVSS 5.7
  4. 2026-11-01 07:41 UTCEG score recompute
  5. 2026-10-31 16:33 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  6. 2026-10-30 16:34 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  7. 2026-10-30 09:25 UTCOSV refresh
  8. 2026-10-29 16:33 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  9. 2026-10-28 16:32 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  10. 2026-10-27 16:32 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  11. 2026-10-26 16:32 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  12. 2026-10-25 16:33 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  13. 2026-10-25 14:14 UTCEG score recompute
  14. 2026-10-24 16:33 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  15. 2026-10-23 16:32 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  16. 2026-10-22 20:00 UTCEG score recompute
  17. 2026-10-22 16:35 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  18. 2026-10-21 16:33 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  19. 2026-10-20 16:33 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  20. 2026-10-19 16:32 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  21. 2026-10-18 16:32 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  22. 2026-10-18 03:25 UTCEG score recompute
  23. 2026-10-17 16:35 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  24. 2026-10-16 16:43 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  25. 2026-10-15 16:32 UTCEPSS rescoreEPSS 0.2% · 13th percentile
Show 43 more
  1. 2026-10-14 16:33 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  2. 2026-10-13 16:34 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  3. 2026-10-12 16:34 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  4. 2026-10-12 15:50 UTCEG score recompute
  5. 2026-10-11 19:34 UTCEG score recompute
  6. 2026-10-11 16:49 UTCEG score recompute
  7. 2026-10-11 14:11 UTCEG score recompute
  8. 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  9. 2026-10-11 04:12 UTCEG score recompute
  10. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  11. 2026-10-10 02:11 UTCEG score recompute
  12. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  13. 2026-10-09 00:11 UTCEG score recompute
  14. 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  15. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  16. 2026-10-06 20:06 UTCEG score recompute
  17. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  18. 2026-10-05 18:07 UTCEG score recompute
  19. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  20. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  21. 2026-10-04 16:07 UTCEG score recompute
  22. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  23. 2026-10-03 14:06 UTCEG score recompute
  24. 2026-10-02 17:56 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  25. 2026-10-02 12:07 UTCEG score recompute
  26. 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  27. 2026-10-01 09:38 UTCEG score recompute
  28. 2026-09-30 15:03 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  29. 2026-09-30 07:40 UTCEG score recompute
  30. 2026-09-29 05:39 UTCEG score recompute
  31. 2026-09-28 13:51 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  32. 2026-09-28 03:41 UTCEG score recompute
  33. 2026-09-27 01:38 UTCEG score recompute
  34. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  35. 2026-09-24 21:37 UTCEG score recompute
  36. 2026-09-24 01:28 UTCEG score recompute
  37. 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  38. 2026-09-22 23:30 UTCEG score recompute
  39. 2026-09-21 21:22 UTCEG score recompute
  40. 2026-09-21 20:48 UTCEG score recompute
  41. 2026-09-21 18:27 UTCEG score recompute
  42. 2026-09-21 17:40 UTCEG score recomputeFirst assessed: 5.7 MEDIUM
  43. 2026-09-21 17:40 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-61612?
CVE-2026-61612 is a medium-severity vulnerability; its CVE record was published on September 21, 2026. CKAN MCP Server is a tool for querying CKAN open data portals. Prior to version 0.4.108, the SSRF guard validateServerUrl (added for CVE-2026-33060, extended for CVE-2026-53509) validates only the hostname string and never resolves DNS. Any caller-supplied server_url whose hostname resolves to an…
When was the CVE record for CVE-2026-61612 published?
The CVE record for CVE-2026-61612 was published on September 21, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of September 24, 2026; the record at its source may have been updated since.
Is CVE-2026-61612 actively exploited?
CVE-2026-61612 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (33rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-61612?
CVE-2026-61612 has a CVSS base score of 5.7 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-61612?
A fix for CVE-2026-61612 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-61612 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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