CVE-2026-5803bigsk1 openai-realtime-ui API Proxy Endpoint server.js server-side request forgery
- 5.3MediumCVSS base score
- 0.24%Exploitation in 30 daysEPSS · top 85% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
Description
A security flaw has been discovered in bigsk1 openai-realtime-ui up to 188ccde27fdf3d8fab8da81f3893468f53b2797c. The affected element is an unknown function of the file server.js of the component API Proxy Endpoint. Performing a manipulation of the argument Query results in server-side request forgery. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is named 54f8f50f43af97c334a881af7b021e84b5b8310f. It is suggested to install a patch to address this issue.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.
Show the exploits1
References tagged exploit1 reference
- https://github.com/BruceJqs/public_exp/issues/3 (opens in a new tab)exploitissue-tracking
Timeline
ID reserved
By VulDB
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
| VulDBCNA (assigner) | 3.1 | Medium6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| VulDBCNA (assigner) | 3.0 | Medium6.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| VulDBCNA (assigner) | 2.0 | Medium6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C |
| NVDNVD · Deferred | 4.0 | Low2.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.24% · top 85% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
- affected 188ccde27fdf3d8fab8da81f3893468f53b2797c
References
References8
- VDB-356242 | bigsk1 openai-realtime-ui API Proxy Endpoint server.js server-side request forgery (opens in a new tab)vdb-entrytechnical-description
- VDB-356242 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- Submit #786984 | bigsk1 openai-realtime-ui Commit 188ccde27fdf3d8fab8da81f3893468f53b2797c Server-Side Request Forgery (opens in a new tab)third-party-advisory
- https://github.com/bigsk1/openai-realtime-ui/issues/1 (opens in a new tab)issue-tracking
- https://github.com/bigsk1/openai-realtime-ui/pull/2 (opens in a new tab)issue-trackingpatch
- https://github.com/BruceJqs/public_exp/issues/3 (opens in a new tab)exploitissue-tracking
- https://github.com/bigsk1/openai-realtime-ui/commit/54f8f50f43af97c334a881af7b021e84b5b8310f (opens in a new tab)patch
- https://github.com/bigsk1/openai-realtime-ui/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-20625 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-5803)Record last updated .