# CVE-2026-77615

## Summary

- **CVE ID:** CVE-2026-77615
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N)
- **CWE:** CWE-79
- **Published:** Sep 17, 2026
- **Last Modified:** Sep 18, 2026

## Description

Paella Player is a set of libraries to create a multi stream video player. Prior to Paulla Player 2.12.11 (as used in Opencast prior to 19.7 and 20.2), there is a potential XSS attack though closed captions cue text. This vulnerability is fixed in 2.12.11.

## Affected Products

- opencast — opencast (< 19.7)
- opencast — opencast (>= 20.0, < 20.2)
- polimediaupv — paella-player (< 2.12.11)

## References

- [CNA](https://github.com/opencast/opencast/security/advisories/GHSA-m6c8-jcw2-5r25)
- [CNA](https://github.com/opencast/opencast/pull/7736)
- [CNA](https://github.com/opencast/opencast/commit/701682c635f668228c3e8fb7b4564b3294788e40)
- [CNA](https://github.com/polimediaupv/paella-core/commit/94a36490808ac5a1f60a0745d71ec9253f6d206b)
- [CNA](https://github.com/polimediaupv/paella-core/commit/9b2f14ec4cf55efaf4c045c77a5ed8f5ec559ab4)
- [CNA](https://github.com/polimediaupv/paella-player/commit/6fe4af7306044198c8e91e2e7f4128428b83cf03)
- [CNA](https://github.com/opencast/opencast/releases/tag/19.7)
- [CNA](https://github.com/opencast/opencast/releases/tag/20.2)
- [CNA](https://github.com/polimediaupv/paella-player/blob/a1b6c42467938a00a4b4d0b8c68435cd4f9d2a16/repos/paella-core/CHANGELOG.md?plain=1#L21)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._