Owncast is an open source, self-hosted, decentralized, single user live video streaming and chat server. The Owncast application exposes an administrator API at the URL /api/admin. The emoji/delete endpoint of said API allows administrators to delete custom emojis, which are saved on disk. The parameter name is taken from the JSON request and directly appended to the filepath that points to the emoji to delete. By using path traversal sequences (../), attackers with administrative privileges can exploit this endpoint to delete arbitrary files on the system, outside of the emoji directory. This vulnerability is fixed in 0.1.3.
CVE-2024-31450
This low-severity CVE scores 2.7 under NVD CVSS v3. EPSS exploit probability: 1.0%, top 42% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 2.7
- EG Score
- 2.7(medium)
- EG Risk
- 28(Track)EG Risk 28/100SSVC: 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 computedSeverity27% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 58.2%
- KEV
- Not listed
Published
April 19, 2024
Last Modified
October 15, 2025
References (8)
- security-advisories@githubhttps://github.com/owncast/owncast/blob/v0.1.2/controllers/admin/emoji.go#L63
- security-advisories@githubhttps://github.com/owncast/owncast/commit/1b14800c7d7f54be14ed4d130bfe7f480645076e
- security-advisories@githubhttps://github.com/owncast/owncast/releases/tag/v0.1.3
- security-advisories@githubhttps://securitylab.github.com/advisories/GHSL-2023-277_Owncast/
- af854a3a-2127-422b-91ae-364da2661108https://github.com/owncast/owncast/blob/v0.1.2/controllers/admin/emoji.go#L63
- af854a3a-2127-422b-91ae-364da2661108https://github.com/owncast/owncast/commit/1b14800c7d7f54be14ed4d130bfe7f480645076e
- af854a3a-2127-422b-91ae-364da2661108https://github.com/owncast/owncast/releases/tag/v0.1.3
- af854a3a-2127-422b-91ae-364da2661108https://securitylab.github.com/advisories/GHSL-2023-277_Owncast/
Affected Packages
(1 across 1 ecosystem)
Go(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| github.com/owncast/owncast | — | 0.1.3 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 49× 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.
Showing the most recent 100 of 107 total refreshes for this CVE.
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Frequently asked(5)
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Dependency Blast Radius
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