CVE-2026-16895

MEDIUMPre-NVD 5.15.1
EchelonGraph scoreMEDIUM confidence

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

This medium-severity CVE scores 5.1 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2% (14th percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.

Triggered by: Headline CVSS from a secondary CVSS source
Sources: EPSS, a secondary CVSS source
Trending — 3 sources updated this week

Also known asEUVD-2026-66836 (ENISA EUVD) · GHSA-3p6c-gvpg-f24w (GitHub Security Advisories)Source: ENISA EUVD

5.1EG
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: 0.2%CVSS: 5.1Exploit: 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.

A logic vulnerability (fail-open condition) has been identified within the Metasploit Framework's JSON-RPC web service interface. When an exception occurs during the database health check (db.check) and the environment variable MSF_WS_JSON_RPC_API_TOKEN is not explicitly set, the application resets the internal state flag msf.auth_initialized to false. The ApiToken Warden authentication strategy misinterprets this false value as an indicator that authentication is not initialized or required, thereby granting unauthenticated local access to the JSON-RPC request dispatcher.

CVSS v3
5.1
EG Score
5.1MEDIUMmedium confidence
EG Risk
23
EG Risk 23/100

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)
Severity51% × 45%
Impact severity (EG Severity): CVSS 5.1 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.2% × 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: An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.
EPSS PROB
0.2%
EPSS %ILE
14th
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 (5.1): severity, escalated by confirmed exploitation. This CVE's 5.1 is its impact severity (EG Severity), not escalated.

EG Severity
5.1 MEDIUMCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.a secondary CVSS source · CVSS v3.0 or v3.1
EG Likelihood
0.2% within 30 daysSource: FIRST EPSS. 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: the SSVC and BOD 26-04 blocks below.

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

An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.

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.

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

August 27, 2026

Last Modified

August 28, 2026

Advisory Details (2)

Auto-updated Aug 27, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
Web page

Metasploit Wrap Up: Lot of summer shells and fit http profiles

https://www.rapid7.com/blog/post/pt-metasploit-wrap-up-lot-of-summer-shells-and-fit-http-profiles/
GitHub pull request

Update json rpc auth logic

Fix merged in rapid7/metasploit-framework PR #21768 on 2026-08-13 — awaiting tagged release

https://github.com/rapid7/metasploit-framework/pull/21768

Vendor Advisories for CVE-2026-16895(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 10× in last 7d / 56× 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.

Showing the most recent 100 of 137 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 37 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-26 16:31 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  2. 2026-10-25 16:32 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  3. 2026-10-25 14:46 UTCEG score recompute
  4. 2026-10-24 16:32 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  5. 2026-10-23 16:31 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  6. 2026-10-23 06:18 UTCEG score recompute
  7. 2026-10-23 06:18 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  8. 2026-10-22 16:34 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  9. 2026-10-21 16:32 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  10. 2026-10-20 16:32 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  11. 2026-10-19 16:31 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  12. 2026-10-18 16:31 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  13. 2026-10-18 04:00 UTCEG score recompute
  14. 2026-10-16 16:40 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  15. 2026-10-15 16:31 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  16. 2026-10-14 16:32 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  17. 2026-10-13 16:33 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  18. 2026-10-12 16:33 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  19. 2026-10-12 16:29 UTCEG score recompute
  20. 2026-10-11 20:08 UTCEG score recompute
  21. 2026-10-11 17:21 UTCEG score recompute
  22. 2026-10-11 14:54 UTCEG score recompute
  23. 2026-10-11 13:48 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  24. 2026-10-10 19:59 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  25. 2026-10-10 05:27 UTCEG score recompute
Show 75 more
  1. 2026-10-10 05:26 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  2. 2026-10-09 20:06 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  3. 2026-10-09 03:13 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  4. 2026-10-08 01:25 UTCEG score recompute
  5. 2026-10-08 01:25 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  6. 2026-10-07 23:47 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  7. 2026-10-06 21:57 UTCEG score recompute
  8. 2026-10-06 21:57 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  9. 2026-10-06 15:17 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  10. 2026-10-05 20:48 UTCEG score recompute
  11. 2026-10-05 20:48 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  12. 2026-10-05 17:42 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  13. 2026-10-04 23:21 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  14. 2026-10-04 19:40 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  15. 2026-10-03 16:03 UTCEG score recompute
  16. 2026-10-03 16:03 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  17. 2026-10-03 14:25 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  18. 2026-10-02 07:29 UTCEG score recompute
  19. 2026-10-02 07:29 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  20. 2026-10-01 19:49 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  21. 2026-10-01 06:20 UTCEG score recompute
  22. 2026-10-01 06:20 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  23. 2026-09-30 15:02 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  24. 2026-09-30 05:11 UTCEG score recompute
  25. 2026-09-30 05:11 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  26. 2026-09-29 15:20 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  27. 2026-09-28 21:44 UTCEG score recompute
  28. 2026-09-28 21:44 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  29. 2026-09-28 13:51 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  30. 2026-09-27 20:35 UTCEG score recompute
  31. 2026-09-27 20:35 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  32. 2026-09-27 13:47 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  33. 2026-09-26 19:26 UTCEG score recompute
  34. 2026-09-26 19:26 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  35. 2026-09-26 15:58 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  36. 2026-09-25 08:05 UTCEG score recompute
  37. 2026-09-25 08:05 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  38. 2026-09-24 06:57 UTCEG score recompute
  39. 2026-09-24 06:56 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  40. 2026-09-23 05:47 UTCEG score recompute
  41. 2026-09-23 05:47 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  42. 2026-09-22 04:39 UTCEG score recompute
  43. 2026-09-22 04:39 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  44. 2026-09-21 03:29 UTCEG score recompute
  45. 2026-09-21 03:29 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  46. 2026-09-20 02:20 UTCEG score recompute
  47. 2026-09-20 02:20 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  48. 2026-09-19 01:12 UTCEG score recompute
  49. 2026-09-19 01:11 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  50. 2026-09-18 19:27 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  51. 2026-09-18 00:03 UTCEG score recompute
  52. 2026-09-18 00:03 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  53. 2026-09-16 21:31 UTCEG score recompute
  54. 2026-09-16 21:31 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  55. 2026-09-16 14:07 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  56. 2026-09-16 05:14 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  57. 2026-09-15 19:59 UTCEG score recompute
  58. 2026-09-15 19:59 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  59. 2026-09-14 18:50 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  60. 2026-09-13 17:20 UTCEG score recompute
  61. 2026-09-13 17:20 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  62. 2026-09-13 16:46 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  63. 2026-09-12 16:11 UTCEG score recompute
  64. 2026-09-12 16:11 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  65. 2026-09-12 15:00 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  66. 2026-09-11 15:03 UTCEG score recompute
  67. 2026-09-11 15:03 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  68. 2026-09-11 14:52 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  69. 2026-09-11 09:36 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  70. 2026-09-10 13:54 UTCEG score recompute
  71. 2026-09-10 13:54 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  72. 2026-09-10 09:34 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  73. 2026-09-09 12:45 UTCEG score recompute
  74. 2026-09-09 12:45 UTCGHSA enrichmentGHSA-3p6c-gvpg-f24w
  75. 2026-09-08 22:00 UTCEPSS rescoreEPSS 0.2% · 5th percentile

Frequently asked(5)

What is CVE-2026-16895?
CVE-2026-16895 is a medium-severity vulnerability; its CVE record was published on August 27, 2026. A logic vulnerability (fail-open condition) has been identified within the Metasploit Framework's JSON-RPC web service interface. When an exception occurs during the database health check (db.check) and the environment variable MSFWSJSONRPCAPITOKEN is not explicitly set, the application resets the…
When was the CVE record for CVE-2026-16895 published?
The CVE record for CVE-2026-16895 was published on August 27, 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 August 28, 2026; the record at its source may have been updated since.
Is CVE-2026-16895 actively exploited?
CVE-2026-16895 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (14th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-16895?
CVE-2026-16895 has a CVSS base score of 5.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-16895?
An upstream fix for CVE-2026-16895 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-2026-16895 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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