01 Record
CVE-2026-92782
Chroma through 1.5.9 Authorization Bypass via Collection Identifier
HighPUBLISHEDCNA: VulnCheck
CNA base score8.6 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
02 Description
Chroma through 1.5.9 Authorization Bypass via Collection Identifier
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 ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.44% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 38.6% of scored records. A rank, not a probability.
- NVD base score
- 8.6 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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
- Awaiting Analysis. NVD last modified this record on 2026-09-24.
- 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
- 2026-09-16 20:32Z1 MO AGO
- Last updated
- 2026-09-19 01:40Z1 MO AGO
- Reserved
- 2026-09-16
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.6)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- Weaknesses
- CWE-863Incorrect AuthorizationClass
- Data version
- 5.2
- Document digest
- b6de349e1bfbaf3e938ce238f9e68cd73caa398edde8ccdfbb9fa2f61d724370
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comGitHub Issue #7462https://github.com/chroma-core/chroma/issues/7462
- github.comhttps://github.com/chroma-core/chroma
- github.comthe shared collection auth helper resolves the collection before checking the pathhttps://github.com/chroma-core/chroma/blob/1.5.9/rust/frontend/src/server.rs#L469-L487
- github.comthe provider caches and returns by collection id without comparing the databasehttps://github.com/chroma-core/chroma/blob/1.5.9/rust/frontend/src/get_collection_with_segments_provider.rs#L143-L160
- www.vulncheck.comVulnCheck Advisory: Chroma through 1.5.9 Authorization Bypass via Collection Identifierhttps://www.vulncheck.com/advisories/chroma-through-1.5.9-authorization-bypass-via-collection-identifier