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CVE-2026-111687

CVE-2026-111687

validatedZero produced an exploit or a check.

GHSA-hp95-p2ww-6rvc ↗EUVD-2026-102978 ↗

check availableZero validated a working check for it.proven exploitableZero has validated a full working exploit.
cve.orgpublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).kevAttacks confirmed in the real world.
rachelos we-mp-rss <= 1.5.3
ETK-2026-1810Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss9.8cna vendorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
+3h49mTTV
29mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = trigger signal
trigger signal (cve.org) +0hcheck + exploit+3h49m
0
+1h
+2h
+3h

description

We-mp-rss versions through 1.5.3 allow attacker-controlled template input on the public RSS endpoint to be evaluated. An unauthenticated remote attacker who can reach that endpoint may execute commands with the privileges of the service account.

mitigation

Disable or restrict public access to the RSS endpoint, and reject template-related request parameters at a reverse proxy where possible. Run the service with minimal privileges and monitor for an upstream release that fixes versions through 1.5.3.

check
available
exploit
yes
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.
1.0%62nd percentile
agent run time
29m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-16 17:39Z
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
–
Δ to kevAttacks confirmed in the real world.
–

outcome

Differential: the exploit fired on the vulnerable build and stayed silent on the patched one.

source signals

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

  1. 2026-10-16 17:39Z
    ghsa: trigger signal, started the run
    https://github.com/advisories/GHSA-hp95-p2ww-6rvc
  2. 2026-10-16 17:39Z

this entry in the feed

GET /api/v1/feed/CVE-2026-111687

{
  "etk_id": "ETK-2026-1810",
  "cve_id": "CVE-2026-111687",
  "display_id": "CVE-2026-111687",
  "ghsa_id": "GHSA-hp95-p2ww-6rvc",
  "euvd_id": "EUVD-2026-102978",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated template injection in we-mp-rss",
  "summary": "We-mp-rss versions through 1.5.3 allow attacker-controlled template input on the public RSS endpoint to be evaluated. An unauthenticated remote attacker who can reach that endpoint may execute commands with the privileges of the service account.",
  "mitigation": "Disable or restrict public access to the RSS endpoint, and reject template-related request parameters at a reverse proxy where possible. Run the service with minimal privileges and monitor for an upstream release that fixes versions through 1.5.3.",
  "vendor": "rachelos",
  "product": "we-mp-rss",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 1.5.3"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "we-mp-rss",
      "purl": null
    }
  ],
  "cwes": null,
  "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": 0.01,
  "epss_percentile": 0.6234,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": true,
  "pipeline_minutes": 28.861013866666667,
  "t0_at": "2026-10-16T17:39:44.866000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-16T21:28:21.199883+00:00",
      "days": 0.15875386438657407,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T17:39:44.866000+00:00",
      "url": null
    },
    "exploit": {
      "at": "2026-10-16T21:28:21.199883+00:00",
      "days": 0.15875386438657407,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T17:39:44.866000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-16T17:39:44.866000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T17:39:44.866000+00:00",
      "url": "https://github.com/advisories/GHSA-hp95-p2ww-6rvc"
    }
  }
}

published 2026-10-16 20:59Z
last change 2026-10-21 02:54Z

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