CVE-2026-45794

HIGHPre-NVD 7.77.7
EchelonGraph scoreMEDIUM confidence

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

This high-severity CVE scores 7.7 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.6% (49th 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

Also known asEUVD-2026-78358 (ENISA EUVD) · GHSA-pp89-732f-3g8q (GitHub Security Advisories)Source: ENISA EUVD

7.7EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 7.7Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, the anonymous Push Notification SNS callback handled by SnsMessageResource falls back to a CTS predicate blob after a messageId expires from the in-memory dispatcher, treats top-level blob keys as Java class names for Class.forName, and deserializes attacker-controlled JSON through Jackson. A low-privileged user who starts Push Registration and obtains the messageId, shared secret, and challenge can wait for expiry, replace the persistent blob through anonymous callbacks, and trigger class loading and construction in the OpenAM JVM. The primitive can cause classpath-dependent process execution, file writes, or denial of service, although command execution was not confirmed on the tested stock classpath. This issue is fixed in version 16.1.1.

CVSS v3
7.7
EG Score
7.7HIGHmedium confidence
EG Risk
35
EG Risk 35/100

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)
Severity77% × 45%
Impact severity (EG Severity): CVSS 7.7 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.6% × 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 low or medium mission impact; Track* at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (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
0.6%
EPSS %ILE
49th
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 (7.7): severity, escalated by confirmed exploitation. This CVE's 7.7 is its impact severity (EG Severity), not escalated.

EG Severity
7.7 HIGHCVSS-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
0.6% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-24). 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 low or medium mission impact; Track* at high (mission-essential systems).CISA BOD 26-04: 14 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 low or medium mission impact; Track* at high (mission-essential systems).

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

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (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)14 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 total (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

June 25, 2026

Last Modified

September 30, 2026

Advisory Details (3)

Auto-updated Sep 15, 2026
Patch available. Sources: github, github_commit, github_release.
GitHub release Patch Available

16.1.1

Patch available: OpenIdentityPlatform/OpenAM 16.1.1

https://github.com/OpenIdentityPlatform/OpenAM/releases/tag/16.1.1
GitHub commit

commit ca15cba9210f (OpenIdentityPlatform/OpenAM)

Fix landed in OpenIdentityPlatform/OpenAM commit ca15cba9210f — awaiting tagged release

https://github.com/OpenIdentityPlatform/OpenAM/commit/ca15cba9210f17c0f839b1c148964e1a3dc4a8ca
GitHub advisoryMentions a patch (unverified)

OpenAM Unsafe Java Deserialization via Push Notification · Advisory · OpenIdentityPlatform/OpenAM · GitHub

Affected: version 16.1.1.

https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-pp89-732f-3g8q

Vendor Advisories for CVE-2026-45794(1)

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

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFix by version rangeDependents
org.openidentityplatform.openam:openam-push-notification14.5.2 ... 16.1.0 (40 versions)
  • every version up to 16.1.1: fixed in 16.1.1
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 36× 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. 2026-10-27 16:32 UTCEPSS rescoreEPSS 0.6% · 49th percentile
  2. 2026-10-26 16:31 UTCEPSS rescoreEPSS 0.6% · 49th percentile
  3. 2026-10-25 16:33 UTCEPSS rescoreEPSS 0.6% · 49th percentile
  4. 2026-10-25 14:26 UTCEG score recompute
  5. 2026-10-24 22:24 UTCEG score recompute
  6. 2026-10-24 16:33 UTCEPSS rescoreEPSS 0.6% · 49th percentile
  7. 2026-10-23 16:31 UTCEPSS rescoreEPSS 0.6% · 49th percentile
  8. 2026-10-22 16:34 UTCEPSS rescoreEPSS 0.6% · 49th percentile
  9. 2026-10-21 16:33 UTCEPSS rescoreEPSS 0.6% · 49th percentile
  10. 2026-10-20 16:33 UTCEPSS rescoreEPSS 0.6% · 49th percentile
  11. 2026-10-19 16:32 UTCEPSS rescoreEPSS 0.6% · 49th percentile
  12. 2026-10-18 16:32 UTCEPSS rescoreEPSS 0.6% · 49th percentile
  13. 2026-10-18 03:37 UTCEG score recompute
  14. 2026-10-17 16:34 UTCEPSS rescoreEPSS 0.6% · 49th percentile
  15. 2026-10-17 13:35 UTCEG score recompute
  16. 2026-10-16 16:42 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  17. 2026-10-15 16:32 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  18. 2026-10-14 16:33 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  19. 2026-10-13 16:34 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  20. 2026-10-12 16:34 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  21. 2026-10-12 16:04 UTCEG score recompute
  22. 2026-10-11 19:46 UTCEG score recompute
  23. 2026-10-11 17:00 UTCEG score recompute
  24. 2026-10-11 14:26 UTCEG score recompute
  25. 2026-10-11 13:48 UTCEPSS rescoreEPSS 0.6% · 48th percentile
Show 29 more
  1. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  2. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  3. 2026-10-08 17:12 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  4. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  5. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  6. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  7. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  8. 2026-10-03 14:25 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  9. 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  10. 2026-09-30 17:53 UTCEG score recompute
  11. 2026-09-30 15:03 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  12. 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  13. 2026-09-26 15:58 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  14. 2026-09-23 17:53 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  15. 2026-09-23 08:45 UTCEG score recompute
  16. 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  17. 2026-09-18 07:23 UTCEG score recompute
  18. 2026-09-17 19:31 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  19. 2026-09-16 19:26 UTCEG score recompute
  20. 2026-09-16 18:27 UTCEG score recompute
  21. 2026-09-16 14:08 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  22. 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.6% · 48th percentile
  23. 2026-09-15 10:28 UTCEG score recompute
  24. 2026-09-15 09:58 UTCEG score recomputeFirst assessed: 7.7 HIGH
  25. 2026-09-15 09:57 UTCMITRE cvelistV5CVSS v3 → 7.7 · CVSS v4 → 7.7
  26. 2026-08-01 07:39 UTCEG score recompute
  27. 2026-07-26 14:59 UTCEG score recompute
  28. 2026-07-23 03:16 UTCEG score recompute
  29. 2026-06-25 16:46 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-45794?
CVE-2026-45794 is a high-severity vulnerability; its CVE record was published on June 25, 2026. Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, the anonymous Push Notification SNS callback handled by SnsMessageResource falls back to a CTS predicate blob after a messageId expires from the in-memory dispatcher, treats top-level blob keys as Java class names…
When was the CVE record for CVE-2026-45794 published?
The CVE record for CVE-2026-45794 was published on June 25, 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 30, 2026; the record at its source may have been updated since.
Is CVE-2026-45794 actively exploited?
CVE-2026-45794 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (49th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-45794?
CVE-2026-45794 has a CVSS base score of 7.7 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-45794?
A fix for CVE-2026-45794 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-45794 are linked in the Vendor Advisories panel on this page.

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