CVE-2026-93736

MEDIUMPre-NVD 4.34.3
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-09-18. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: Elevated riskExposed: 0

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

Mealie before 3.21.0 fails to validate user ownership in the ratings and favorites endpoints, allowing authenticated attackers to read any user's recipe ratings and favorites by specifying arbitrary user IDs in the URL path. Attackers can access private recipe identifiers, rating values, and favorite flags belonging to other users across different groups or households.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

September 18, 2026

Last Modified

September 18, 2026

Advisory Details (8)

Auto-updated Sep 18, 2026
Patch available. Sources: github_commit, github_pr, github_release.
generic

Mealie before 3.21.0 Information Disclosure via Ratings Endpoint | Advisories | VulnCheck

https://www.vulncheck.com/advisories/mealie-before-3.21.0-information-disclosure-via-ratings-endpoint
github_release Patch Available

v3.21.0

Patch available: mealie-recipes/mealie v3.21.0

https://github.com/mealie-recipes/mealie/releases/tag/v3.21.0
github_pr Patch Available

fix: restrict user ratings and favorites reads to the requesting user

Patch available: mealie-recipes/mealie v3.21.0 (PR #7903 merged 2026-07-18)

https://github.com/mealie-recipes/mealie/pull/7903
generic

Cross-tenant disclosure of any user's recipe ratings and favorites via /api/users/{id}/ratings and /favorites · Issue #7909 · mealie-recipes/mealie · GitHub

https://github.com/mealie-recipes/mealie/issues/7909
github_commit Patch Available

commit 6889101a760a (mealie-recipes/mealie)

Patch available: mealie-recipes/mealie v3.21.0 (contains commit 6889101a760a)

https://github.com/mealie-recipes/mealie/commit/6889101a760a457019276c10514e630660b3ed28
generic

mealie/mealie/routes/users/ratings.py at v3.20.1 · mealie-recipes/mealie · GitHub

https://github.com/mealie-recipes/mealie/blob/v3.20.1/mealie/routes/users/ratings.py#L44-L52
generic

mealie/mealie/repos/repository_users.py at v3.20.1 · mealie-recipes/mealie · GitHub

https://github.com/mealie-recipes/mealie/blob/v3.20.1/mealie/repos/repository_users.py#L82-L88
generic

GitHub - mealie-recipes/mealie: Mealie is a self hosted recipe manager and meal planner with a RestAPI backend and a reactive frontend application built in Vue for a pleasant user experience for the whole family. Easily add recipes into your database by providing the url and mealie will automatically import the relevant data or add a family recipe with the UI editor · GitHub

https://github.com/mealie-recipes/mealie

Vendor Advisories for CVE-2026-93736(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 9× in last 7d / 9× 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. 2026-09-20 20:16 UTCEPSS rescore
  2. 2026-09-20 16:51 UTCGHSA enrichment
  3. 2026-09-19 17:39 UTCEG score recompute
  4. 2026-09-19 17:39 UTCGHSA enrichment
  5. 2026-09-18 18:27 UTCEG score recompute
  6. 2026-09-18 17:29 UTCEG score recompute
  7. 2026-09-18 16:25 UTCEG score recompute
  8. 2026-09-18 16:15 UTCEG score recompute
  9. 2026-09-18 16:14 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-93736?
CVE-2026-93736 is a medium vulnerability published on September 18, 2026. Mealie before 3.21.0 fails to validate user ownership in the ratings and favorites endpoints, allowing authenticated attackers to read any user's recipe ratings and favorites by specifying arbitrary user IDs in the URL path. Attackers can access private recipe identifiers, rating values, and…
When was CVE-2026-93736 disclosed?
CVE-2026-93736 was first published in the National Vulnerability Database on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-93736 actively exploited?
CVE-2026-93736 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 79.2% of all scored CVEs.
What is the CVSS score of CVE-2026-93736?
CVE-2026-93736 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-93736?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-93736, 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

Explore the affected products and dependency analysis for CVE-2026-93736

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