CVE-2026-15276 json
pdeljanov Symphonia Metadata denial of service
published 4mo ago modified 15d ago also EUVD-2026-42732
- cvss
- 3.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 5%
- public exploits
- 0
- none known
Summary
A flaw has been found in pdeljanov Symphonia up to 0.6.0. This vulnerability affects unknown code of the component Metadata Handler. This manipulation causes denial of service. The attack needs to be launched locally. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
Patch / fix
- github.com/pdeljanov/Symphonia#514 pull request
Is CVE-2026-15276 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3mo ago
Exploit prediction
0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/pdeljanov/Symphonia/issues/508 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 4.8 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P |
| CNA | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R |
| CNA | 3.0 | 3.3 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R |
| CNA | 2.0 | 1.7 | AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR |
| CNA | 4.0 | 1.9 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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 |
| CNA | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| CNA | 2.0 | 1.7 | AV:L/AC:L/Au:S/C:N/I:N/A:P |
Affected products
- pdeljanov Symphonia
Classification
- Weakness
-
- CWE-404 Improper Resource Shutdown or Release
References
-
github.com
/pdeljanov/Symphonia/pull/514
issue-tracking, patch
-
github.com
/pdeljanov/Symphonia/issues/508
exploit, issue-tracking
-
vuldb.com
/vuln/377216
vdb-entry
-
vuldb.com
/vuln/377216/cti
signature, permissions-required
-
vuldb.com
/cve/CVE-2026-15276
third-party-advisory
-
vuldb.com
/submit/852458
third-party-advisory
-
github.com
/pdeljanov/Symphonia/
product
Sources
- CVE List CVE-2026-15276
- NVD CVE-2026-15276
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