diff --git a/__tests__/summary.test.ts b/__tests__/summary.test.ts
index eec1f4b80..44b92f573 100644
--- a/__tests__/summary.test.ts
+++ b/__tests__/summary.test.ts
@@ -696,6 +696,49 @@ test('addChangeVulnerabilitiesToSummary() - handles RestSharp GHSA-4rr6-2v9v-wcp
   })
 })
 
+test('addChangeVulnerabilitiesToSummary() - handles GHSA-vc5p-v9hr-52mj maven range', async () => {
+  const pkg = createTestChange({
+    ecosystem: 'maven',
+    name: 'org.apache.logging.log4j:log4j-core',
+    version: '2.12.4',
+    vulnerabilities: [
+      createTestVulnerability({
+        advisory_ghsa_id: 'GHSA-vc5p-v9hr-52mj',
+        advisory_summary: 'Apache Log4j vulnerable to XXE in JDBC Appender',
+        severity: 'high'
+      })
+    ]
+  })
+
+  // Mock API response from https://api.github.com/advisories/GHSA-vc5p-v9hr-52mj
+  mockOctokitRequest.mockResolvedValueOnce({
+    data: {
+      vulnerabilities: [
+        {
+          package: {
+            ecosystem: 'maven',
+            name: 'org.apache.logging.log4j:log4j-core'
+          },
+          vulnerable_version_range: '>= 2.0-beta9, < 2.25.3',
+          first_patched_version: '2.25.3'
+        }
+      ]
+    }
+  })
+
+  const changes = [pkg]
+  await summary.addChangeVulnerabilitiesToSummary(changes, 'low', true)
+
+  const text = core.summary.stringify()
+
+  // Should show the correct patched version for this advisory range
+  expect(text).toContain('2.25.3')
+  expect(text).not.toContain('N/A')
+  expect(mockOctokitRequest).toHaveBeenCalledWith('GET /advisories/{ghsa_id}', {
+    ghsa_id: 'GHSA-vc5p-v9hr-52mj'
+  })
+})
+
 test('addChangeVulnerabilitiesToSummary() - handles version coercion for non-strict semver versions', async () => {
   // Test that versions like "8.0" (without patch version) can be coerced to "8.0.0"
   // for successful range matching in fail-open mode (patch selection)
@@ -778,6 +821,50 @@ test('addChangeVulnerabilitiesToSummary() - handles invalid versions in fail-ope
   expect(text).toContain('N/A')
 })
 
+test('addChangeVulnerabilitiesToSummary() - handles GHSA-r9w3-57w2-gch2 go pseudo-version range', async () => {
+  const pkg = createTestChange({
+    ecosystem: 'go',
+    name: 'github.com/ory/hydra',
+    version: '2.1.0-pre.2',
+    vulnerabilities: [
+      createTestVulnerability({
+        advisory_ghsa_id: 'GHSA-r9w3-57w2-gch2',
+        advisory_summary:
+          'Ory Hydra has a SQL injection via forged pagination tokens',
+        severity: 'high'
+      })
+    ]
+  })
+
+  // Mock API response from https://api.github.com/advisories/GHSA-r9w3-57w2-gch2
+  mockOctokitRequest.mockResolvedValueOnce({
+    data: {
+      vulnerabilities: [
+        {
+          package: {
+            ecosystem: 'go',
+            name: 'github.com/ory/hydra'
+          },
+          vulnerable_version_range: '< 2.3.1-0.20260320110106-0b84568fffcc',
+          first_patched_version: '2.3.1-0.20260320110106-0b84568fffcc'
+        }
+      ]
+    }
+  })
+
+  const changes = [pkg]
+  await summary.addChangeVulnerabilitiesToSummary(changes, 'low', true)
+
+  const text = core.summary.stringify()
+
+  // Should show the correct patched version for this advisory range
+  expect(text).toContain('2.3.1-0.20260320110106-0b84568fffcc')
+  expect(text).not.toContain('N/A')
+  expect(mockOctokitRequest).toHaveBeenCalledWith('GET /advisories/{ghsa_id}', {
+    ghsa_id: 'GHSA-r9w3-57w2-gch2'
+  })
+})
+
 test('addChangeVulnerabilitiesToSummary() - respects concurrency limit for API calls', async () => {
   // Create 15 packages with different vulnerabilities to test concurrency limiting
   const packages = Array.from({length: 15}, (_, i) =>
diff --git a/src/summary.ts b/src/summary.ts
index 892b38e87..28d2b0ee6 100644
--- a/src/summary.ts
+++ b/src/summary.ts
@@ -74,7 +74,7 @@ function versionInRange(
   // Validate version and range explicitly to enforce fail-closed semantics
   // semver.satisfies() typically returns false for invalid inputs without throwing
   let validVersion = semver.valid(trimmedVersion)
-  const validRange = semver.validRange(semverRange)
+  let validRange = semver.validRange(semverRange)
 
   // For fail-open mode (patch selection), try coercing invalid versions
   // to handle common real-world formats like "8.0", date-based versions, etc.
@@ -88,6 +88,26 @@ function versionInRange(
     }
   }
 
+  // For fail-open mode, try coercing invalid version components within the range string
+  // to handle formats like "2.0-beta9" which should be "2.0.0-beta9" for strict semver
+  if (!validRange && !failClosed) {
+    const coercedRangeStr = semverRange.replace(
+      /(?<=[><=~^\s]|^)(\d+\.\d+(?:\.\d+)?(?:-[^\s]*)?)(?=\s|$)/g,
+      match => {
+        const coerced = semver.coerce(match)
+        return coerced ? coerced.version : match
+      }
+    )
+    if (coercedRangeStr !== semverRange) {
+      validRange = semver.validRange(coercedRangeStr)
+      if (validRange) {
+        core.debug(
+          `Coerced range "${semverRange}" to "${coercedRangeStr}" for range matching`
+        )
+      }
+    }
+  }
+
   if (!validVersion || !validRange) {
     if (failClosed) {
       const issues: string[] = []