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ETK-2026-3355Zero's internal tracking ID, independent of the CVE number.

ETK-2026-3355Zero's internal tracking ID, independent of the CVE number.

validatedZero produced an exploit or a check.

GHSA-r63c-m6m6-mvh3 ↗

check availableZero validated a working check for it.not proven exploitableZero has a detection check, but hasn't produced a full working exploit yet.
awaiting cvepublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).−3h53mkevAttacks confirmed in the real world.
other:social-to-mealie <= 1.8.1
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
ETK-2026-3355Zero's internal tracking ID, independent of the CVE number., no cve assigned
cvss9.8cna vendorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
−2h33mTTV
13mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = trigger signal
trigger signal +0hpublic poc+0hcheck available+1h19magent stopped
0
+1h
+2h
+3h
+4h

description

social-to-mealie exposes a command-injection risk in its URL-processing API when requests reach the gallery-dl fallback. An unauthenticated remote attacker able to access the service can execute commands as the container's application user, potentially exposing environment secrets and internal network access.

mitigation

Restrict access to the service port to trusted users and networks immediately, such as with firewall rules or authenticated reverse-proxy access. Update the gallery-dl invocation to use direct process arguments rather than a shell command, and validate URLs to allow only HTTP or HTTPS schemes.

check
available
exploit
no
automationDeterministic: a check that runs on its own, the same request on every target. Contextual: an agentic technique that needs to be applied per target, for bugs that depend on contextual flows.
deterministic
auth requiredWhether an attacker needs an account first, based on the CVSS vector's Privileges Required.
no
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
–
agent run time
13m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
not published yet
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
−3h53m
Δ to kevAttacks confirmed in the real world.
–

outcome

Check only, differential: the check fires on the vulnerable build and is silent on the patched one.

source signals

Public signals that triggered or updated the pipeline. These are inputs for the deltas above.

  1. 2026-11-03 08:43Z
  2. 2026-11-03 08:43Z

this entry in the feed

GET /api/v1/feed/ETK-2026-3355

{
  "etk_id": "ETK-2026-3355",
  "cve_id": null,
  "display_id": "ETK-2026-3355",
  "ghsa_id": "GHSA-r63c-m6m6-mvh3",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Unauthenticated shell command injection in social-to-mealie",
  "summary": "social-to-mealie exposes a command-injection risk in its URL-processing API when requests reach the gallery-dl fallback. An unauthenticated remote attacker able to access the service can execute commands as the container's application user, potentially exposing environment secrets and internal network access.",
  "mitigation": "Restrict access to the service port to trusted users and networks immediately, such as with firewall rules or authenticated reverse-proxy access. Update the gallery-dl invocation to use direct process arguments rather than a shell command, and validate URLs to allow only HTTP or HTTPS schemes.",
  "vendor": "other",
  "product": "other:social-to-mealie",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 1.8.1"
      ],
      "ecosystem": "other",
      "fixed_versions": [],
      "package_name": "social-to-mealie",
      "purl": null
    }
  ],
  "cwes": [
    78
  ],
  "cvss_score": 9.8,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 12.620068116666667,
  "t0_at": null,
  "signals": {
    "check": {
      "at": "2026-11-03T10:02:57.830347+00:00",
      "days": -0.1065627062962963,
      "is_lower_bound": true,
      "measured_at": "2026-11-03T12:36:24.882735+00:00",
      "url": null
    },
    "public_poc": {
      "at": "2026-11-03T08:43:51+00:00",
      "days": -0.16150287234953703,
      "is_lower_bound": true,
      "measured_at": "2026-11-03T12:36:24.882735+00:00",
      "url": "https://github.com/GerardPolloRebozado/social-to-mealie/security/advisories/GHSA-r63c-m6m6-mvh3"
    },
    "trigger_signal": {
      "at": "2026-11-03T08:43:51+00:00",
      "days": -0.16150287234953703,
      "is_lower_bound": true,
      "measured_at": "2026-11-03T12:36:24.882735+00:00",
      "url": "https://github.com/GerardPolloRebozado/social-to-mealie/security/advisories/GHSA-r63c-m6m6-mvh3"
    }
  }
}

published 2026-11-03 09:50Z
last change 2026-11-03 12:23Z

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