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Eclipse Foundation Eclipse Langium vulnerabilities

2 published CVES affecting Eclipse Foundation Eclipse Langium, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
2
Critical
0
High
1
Medium
0
Low
1
Unscored
0
CISA KEV
0

Latest Eclipse Foundation Eclipse Langium CVEs

Newest publication first

  1. CVE-2026-124683 Eclipse Langium versions 3.2.0 through 4.4.0 contain an inefficient algorithmic complexity issue (CWE-407) in the opt-in IndentationAwareTokenBuilder and IndentationAwareLexer. When producing DEDENT t...

    Published
    HighCVSS 8.7 EPSS 0.50%

    Eclipse Langium versions 3.2.0 through 4.4.0 contain an inefficient algorithmic complexity issue (CWE-407) in the opt-in IndentationAwareTokenBuilder and IndentationAwareLexer. When producing DEDENT tokens, the token builder recomputes line numbers by re-scanning the entire prece...

  2. CVE-2026-118492 In Eclipse Langium versions 3.0.0 and later, the langium-sprotty package does not HTML-escape diagnostic messages before rendering them in the default hover popup provided by addHoverPopupHandler. If....

    Published
    LowCVSS 2.0 EPSS 0.14%

    In Eclipse Langium versions 3.0.0 and later, the langium-sprotty package does not HTML-escape diagnostic messages before rendering them in the default hover popup provided by addHoverPopupHandler. If a Langium grammar allows cross-reference text to contain HTML markup (such as th...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.