KaTeX: Existing prototype pollution can bypass trust restrictions

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-103923 · CVE overview and exploitation status

EUVD-2026-90979

GHSA-238p-pmpm-9mq7

cve-program · CVE-2026-103923

• https://github.com/KaTeX/KaTeX/security/advisories/GHSA-238p-pmpm-9mq7
• https://github.com/KaTeX/KaTeX/pull/4260
• https://github.com/KaTeX/KaTeX/commit/0adf7e77db6915d991803b29699f82b1ccf8d4f4
• https://github.com/KaTeX/KaTeX/releases/tag/v0.18.2

euvd · EUVD-2026-90979

• https://github.com/KaTeX/KaTeX/security/advisories/GHSA-238p-pmpm-9mq7
• https://github.com/KaTeX/KaTeX/pull/4260
• https://github.com/KaTeX/KaTeX/commit/0adf7e77db6915d991803b29699f82b1ccf8d4f4
• https://github.com/KaTeX/KaTeX/releases/tag/v0.18.2

nvd · CVE-2026-103923

• https://github.com/KaTeX/KaTeX/commit/0adf7e77db6915d991803b29699f82b1ccf8d4f4
• https://github.com/KaTeX/KaTeX/pull/4260
• https://github.com/KaTeX/KaTeX/releases/tag/v0.18.2
• https://github.com/KaTeX/KaTeX/security/advisories/GHSA-238p-pmpm-9mq7

osv · GHSA-238p-pmpm-9mq7

• https://github.com/KaTeX/KaTeX/security/advisories/GHSA-238p-pmpm-9mq7
• https://nvd.nist.gov/vuln/detail/CVE-2026-103923
• https://github.com/KaTeX/KaTeX/pull/4260
• https://github.com/KaTeX/KaTeX/commit/0adf7e77db6915d991803b29699f82b1ccf8d4f4
• https://github.com/KaTeX/KaTeX
• https://github.com/KaTeX/KaTeX/releases/tag/v0.18.2

No related changes are available here.