# CVE-2026-41241: CVE-2026-41241

Status: published. Published: 2026-04-23. Updated: 2026-11-11.

pretalx is a conference planning tool. Prior to 2026.1.0, The organiser search in the pretalx backend rendered submission titles, speaker display names, and user names/emails into the result dropdown using innerHTML string interpolation. Any user who controls one of those fields (which includes any registered user whose display name is looked up by an administrator) could include HTML or JavaScript that would execute in an organiser's browser when the organiser's search query matched the malicious record. This vulnerability is fixed in 2026.1.0.

## Remediation

- fix: pretalx (PyPI): OSV reports a fixed version 2026.1.0. Check the advisory for supported release branches. (source: OSV GHSA-cjcx-jfp2-f7m2) — https://github.com/advisories/GHSA-cjcx-jfp2-f7m2

## Affected products and versions

- pretalx / pretalx: < 2026.1.0 (affected, custom). Source: NVD
-  / pretalx (pretalx): 0.1.0 (affected, PyPI); 0.2.0.post1 (affected, PyPI); 0.2.1.post1 (affected, PyPI); 0.2.2 (affected, PyPI); 0.3.0 (affected, PyPI); 0.3.1 (affected, PyPI); 0.4.0 (affected, PyPI); 0.4.1 (affected, PyPI); 0.5.0 (affected, PyPI); 0.6.0 (affected, PyPI); 0.6.1 (affected, PyPI); 0.7.0 (affected, PyPI); 0.7.1 (affected, PyPI); 0.8.0 (affected, PyPI); 0.9.0 (affected, PyPI); 1.0.0 (affected, PyPI); 1.0.1 (affected, PyPI); 1.0.2 (affected, PyPI); 1.0.3 (affected, PyPI); 1.0.4 (affected, PyPI); 1.1.0 (affected, PyPI); 1.1.1 (affected, PyPI); 1.1.2 (affected, PyPI); 2.0.0 (affected, PyPI); 2.1.0 (affected, PyPI); 2.1.1 (affected, PyPI); 2.2.0 (affected, PyPI); 2.3.0 (affected, PyPI); 2.3.1 (affected, PyPI); 2.3.2 (affected, PyPI); 2023.1.0 (affected, PyPI); 2023.1.1 (affected, PyPI); 2023.1.2 (affected, PyPI); 2023.1.3 (affected, PyPI); 2024.1.0 (affected, PyPI); 2024.2.0 (affected, PyPI); 2024.2.1 (affected, PyPI); 2024.3.0 (affected, PyPI); 2024.3.1 (affected, PyPI); 2025.1.0 (affected, PyPI); 2025.2.0 (affected, PyPI); 2025.2.1 (affected, PyPI); 2025.2.2 (affected, PyPI); Ecosystem version events: introduced 0; fixed 2026.1.0. Source: OSV GHSA-cjcx-jfp2-f7m2

## NVD configuration conditions

Affected CPE matches depend on the following AND/OR and negation conditions:

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:pretalx:pretalx:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "2026.1.0",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 5.4 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N; source: NVD: nvd@nist.gov

- CVSS 3.1: 8.7 (high); CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N; source: NVD: security-advisories@github.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation none; automatable no; technical impact total; source NVD SSVC: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- Weaknesses: CWE-79

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/pretalx/pretalx/security/advisories/GHSA-cjcx-jfp2-f7m2 (security-advisories@github.com; Mitigation, Vendor Advisory)

- https://github.com/advisories/GHSA-cjcx-jfp2-f7m2 (OSV / GitHub Security Advisories; advisory)

- https://osv.dev/vulnerability/GHSA-cjcx-jfp2-f7m2 (OSV / GitHub Security Advisories; osv)

## Provenance

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-41241; retrieved 2026-11-12; source updated 2026-11-11

- OSV / GitHub Security Advisories: https://osv.dev/vulnerability/GHSA-cjcx-jfp2-f7m2; retrieved 2026-11-12; source updated 2026-06-08

Revision: 8c1389d53a50ec04dda6633e6d817399f3b1920427e2d13db57f5da4d86b0f9a

Canonical: https://y2.dev/cve/CVE-2026-41241

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.