CVE-2026-93954

MEDIUMPre-NVD 4.34.3
EchelonGraph scoreLOW confidence

This medium-severity CVE scores 4.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). 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: secondary
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 4.3Exploit: None knownExposed: 0

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

A security vulnerability has been detected in grimmory-tools grimmory up to 3.3.3/3.4.1. Affected is the function AppSettingController.getAppSettings of the file backend/src/main/java/org/booklore/controller/AppSettingController.java of the component Settings API Endpoint. Such manipulation leads to incorrect authorization. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The name of the patch is 2b66ca6df8110f6b512e030b54c16b9fbe318f17. Applying a patch is advised to resolve this issue. PR #2558, merged as 53abc8b, moved the OIDC secret into a dedicated setting, but did not by itself restrict GET /api/v1/settings.

CVSS v3
4.3
EG Score
4.3(low)
EG Risk
24(Track)
EG Risk 24/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity43% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
—
EPSS %ILE
—
KEV
Not listed

Published

September 19, 2026

Last Modified

September 19, 2026

Advisory Details (4)

Auto-updated Sep 19, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr, github_commit.
generic

GitHub - grimmory-tools/grimmory: A self-hosted library for your ebooks, comics, and audiobooks · GitHub

https://github.com/grimmory-tools/grimmory/
github_commit

commit 2b66ca6df811 (grimmory-tools/grimmory)

Fix landed in grimmory-tools/grimmory commit 2b66ca6df811 — awaiting tagged release

https://github.com/grimmory-tools/grimmory/commit/2b66ca6df8110f6b512e030b54c16b9fbe318f17
github_pr

fix(api): restrict settings by permission

Fix merged in grimmory-tools/grimmory PR #2647 on 2026-09-18 — awaiting tagged release

https://github.com/grimmory-tools/grimmory/pull/2647
generic

GET /api/v1/settings exposes OIDC clientSecret and API keys to any authenticated user (CWE-863) · Issue #2430 · grimmory-tools/grimmory · GitHub

https://github.com/grimmory-tools/grimmory/issues/2430

Vendor Advisories for CVE-2026-93954(1)

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 4× in last 7d / 4× 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. 2026-09-19 22:19 UTCEG score recompute
  2. 2026-09-19 22:19 UTCNVD updateCVSS v4 → 2.1
  3. 2026-09-19 21:51 UTCEG score recompute
  4. 2026-09-19 21:50 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2026-93954?
CVE-2026-93954 is a medium vulnerability published on September 19, 2026. A security vulnerability has been detected in grimmory-tools grimmory up to 3.3.3/3.4.1. Affected is the function AppSettingController.getAppSettings of the file backend/src/main/java/org/booklore/controller/AppSettingController.java of the component Settings API Endpoint. Such manipulation leads…
When was CVE-2026-93954 disclosed?
CVE-2026-93954 was first published in the National Vulnerability Database on September 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-93954?
CVE-2026-93954 has a CVSS v3 base score of 4.3 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2026-93954?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-93954, 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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