01 Record
CVE-2026-82733
Route handler return value echoed into AshTypescript error response
MediumPUBLISHEDCNA: EEF
CNA base score6.3 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
02 Description
Route handler return value echoed into AshTypescript error response
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.54% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 45.5% of scored records. A rank, not a probability.
- NVD base score
- 6.3 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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
- NVD analysis status
- Deferred. NVD last modified this record on 2026-09-01.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-01 02:09Z1 MO AGO
- Last updated
- 2026-09-01 15:12Z1 MO AGO
- Reserved
- 2026-08-31
- Assigning CNA
- EEF
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.3)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- Weaknesses
- CWE-209Generation of Error Message Containing Sensitive InformationBase
- Data version
- 5.2
- Document digest
- d9f86f1cf67e873bee02ecdb2c2b61dcd40a7aec0b92c69177fd9d0b7ca8c78d
05 Affected products
VendorProductVersionsPlatforms
ash-projectash_typescript0.15.0 to < 0.18.0, 546a15e1a2d7dbf1df2d5a6ee4404bc3da87852e to < dec80e29543f96e43eeece8501376562f17ac638—
06 References
- github.comhttps://github.com/ash-project/ash_typescript/security/advisories/GHSA-ghhw-qh7p-55xr
- cna.erlef.orghttps://cna.erlef.org/cves/CVE-2026-82733.html
- osv.devhttps://osv.dev/vulnerability/EEF-CVE-2026-82733
- github.comhttps://github.com/ash-project/ash_typescript/commit/dec80e29543f96e43eeece8501376562f17ac638