Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-x8xr-mj9x-6h7w
Advisory ID github_osv/GHSA-x8xr-mj9x-6h7w
Aliases
Summary Duplicate Advisory: image EXIF Rotation & PNG tRNS Transparency Not Normalized, Causing Mismatch Between Model Input and Expectations ## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8jr5-v98p-w75m. This link is maintained to preserve external references. ## Original Description A flaw was found in vLLM, an open-source library for large language model inference. This vulnerability arises from improper handling of image metadata, specifically EXIF orientation and PNG transparency (tRNS) data, during image processing. When images are converted to RGB, transparency information may be implicitly discarded or remapped, leading to unexpected rendering of transparent pixels and distortion of input content. This can result in the model misinterpreting image content, potentially affecting the integrity of processed data.
Status Published
Exploitability 0.5
Weighted Severity 4.3
Risk 2.1
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-115 Misinterpretation of Input
System Score Found at
cvssv3.1 4.8 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-x8xr-mj9x-6h7w/GHSA-x8xr-mj9x-6h7w.json
generic_textual MODERATE
Reference id Reference type URL
CVE-2026-12491 Advisory https://access.redhat.com/security/cve/CVE-2026-12491
CVE-2026-12491 https://nvd.nist.gov/vuln/detail/CVE-2026-12491
show_bug.cgi?id=2489786 Bug https://bugzilla.redhat.com/show_bug.cgi?id=2489786
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-x8xr-mj9x-6h7w/GHSA-x8xr-mj9x-6h7w.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.