diff --git a/packages/loopover-miner/lib/contribution-profile-cache.ts b/packages/loopover-miner/lib/contribution-profile-cache.ts
index 46f00660c1..3d06f92d0d 100644
--- a/packages/loopover-miner/lib/contribution-profile-cache.ts
+++ b/packages/loopover-miner/lib/contribution-profile-cache.ts
@@ -13,6 +13,7 @@ import {
   openLocalStoreAdapter,
   resolveLocalStoreDbPath,
 } from "./local-store.js";
+import { isValidRepoSegment } from "./repo-clone.js";
 import { applySchemaMigrations } from "./schema-version.js";
 import {
   CONTRIBUTION_PROFILE_CACHE_PURGE_SPEC,
@@ -58,6 +59,8 @@ function normalizeRepoFullName(repoFullName: unknown): string {
   const [owner, repo, extra] = repoFullName.trim().split("/");
   if (!owner || !repo || extra !== undefined)
     throw new Error("invalid_repo_full_name");
+  if (!isValidRepoSegment(owner) || !isValidRepoSegment(repo))
+    throw new Error("invalid_repo_full_name");
   return `${owner}/${repo}`;
 }
 
diff --git a/packages/loopover-miner/lib/prediction-ledger.ts b/packages/loopover-miner/lib/prediction-ledger.ts
index ad4f4bda80..1f3928a10d 100644
--- a/packages/loopover-miner/lib/prediction-ledger.ts
+++ b/packages/loopover-miner/lib/prediction-ledger.ts
@@ -1,5 +1,6 @@
 import type { DatabaseSync } from "node:sqlite";
 import { normalizeLocalStoreDbPath, openLocalStoreAdapter, resolveLocalStoreDbPath } from "./local-store.js";
+import { isValidRepoSegment } from "./repo-clone.js";
 import { applySchemaMigrations } from "./schema-version.js";
 import {
   PREDICTION_LEDGER_PURGE_SPEC,
@@ -87,6 +88,7 @@ function normalizeRepoFullName(repoFullName: string): string {
   if (typeof repoFullName !== "string") throw new Error("invalid_repo_full_name");
   const [owner, repo, extra] = repoFullName.trim().split("/");
   if (!owner || !repo || extra !== undefined) throw new Error("invalid_repo_full_name");
+  if (!isValidRepoSegment(owner) || !isValidRepoSegment(repo)) throw new Error("invalid_repo_full_name");
   return `${owner}/${repo}`;
 }
 
diff --git a/packages/loopover-miner/lib/replay-snapshot.ts b/packages/loopover-miner/lib/replay-snapshot.ts
index 7cdc14dc6e..f0fbbd3ff9 100644
--- a/packages/loopover-miner/lib/replay-snapshot.ts
+++ b/packages/loopover-miner/lib/replay-snapshot.ts
@@ -2,6 +2,7 @@ import { join } from "node:path";
 import { removeWorktree } from "@loopover/engine";
 import type { WorktreeExecFn, WorktreeRemoveResult } from "@loopover/engine";
 import { openLocalStoreAdapter, resolveLocalStoreDbPath, normalizeLocalStoreDbPath } from "./local-store.js";
+import { isValidRepoSegment } from "./repo-clone.js";
 
 // Freeze/snapshot mechanism for historical replay targets (#3010). Given a repo and a commit SHA T, exports:
 //  (a) the full working tree checked out AT T via a DETACHED git worktree -- the same isolation primitive
@@ -72,6 +73,7 @@ function normalizeRepoFullName(repoFullName: string): string {
   if (typeof repoFullName !== "string") throw new Error("invalid_repo_full_name");
   const [owner, repo, extra] = repoFullName.trim().split("/");
   if (!owner || !repo || extra !== undefined) throw new Error("invalid_repo_full_name");
+  if (!isValidRepoSegment(owner) || !isValidRepoSegment(repo)) throw new Error("invalid_repo_full_name");
   return `${owner}/${repo}`;
 }
 
diff --git a/packages/loopover-miner/lib/run-state.ts b/packages/loopover-miner/lib/run-state.ts
index ec8de4d4a4..2538f62865 100644
--- a/packages/loopover-miner/lib/run-state.ts
+++ b/packages/loopover-miner/lib/run-state.ts
@@ -1,6 +1,7 @@
 import type { DatabaseSync } from "node:sqlite";
 import { DEFAULT_FORGE_CONFIG } from "./forge-config.js";
 import { normalizeLocalStoreDbPath, openLocalStoreAdapter, resolveLocalStoreDbPath } from "./local-store.js";
+import { isValidRepoSegment } from "./repo-clone.js";
 import { applySchemaMigrations } from "./schema-version.js";
 import { RUN_STATE_PURGE_SPEC, purgeStoreByRepo } from "./store-maintenance.js";
 
@@ -57,6 +58,7 @@ function normalizeRepoFullName(repoFullName: string): string {
   const trimmed = repoFullName.trim();
   const [owner, repo, extra] = trimmed.split("/");
   if (!owner || !repo || extra !== undefined) throw new Error("invalid_repo_full_name");
+  if (!isValidRepoSegment(owner) || !isValidRepoSegment(repo)) throw new Error("invalid_repo_full_name");
   return `${owner}/${repo}`;
 }
 
diff --git a/test/unit/miner-contribution-profile-cache.test.ts b/test/unit/miner-contribution-profile-cache.test.ts
index 621b23c536..f0f3229d8d 100644
--- a/test/unit/miner-contribution-profile-cache.test.ts
+++ b/test/unit/miner-contribution-profile-cache.test.ts
@@ -158,6 +158,10 @@ describe("contribution-profile cache store (#6797)", () => {
     expect(() => store.put({ repoFullName: 42 } as never)).toThrow(
       "invalid_repo_full_name",
     );
+    // #7795: path-traversal / invalid-character segments must fail closed like claim-ledger (#5831).
+    expect(() => store.get("../etc")).toThrow("invalid_repo_full_name");
+    expect(() => store.get("o/..")).toThrow("invalid_repo_full_name");
+    expect(() => store.put({ repoFullName: "o baz/a" } as never)).toThrow("invalid_repo_full_name");
   });
 
   it("exposes module-level get/put helpers backed by the default DB path", () => {
diff --git a/test/unit/miner-prediction-ledger.test.ts b/test/unit/miner-prediction-ledger.test.ts
index 404ae0d385..ae2f0f9a74 100644
--- a/test/unit/miner-prediction-ledger.test.ts
+++ b/test/unit/miner-prediction-ledger.test.ts
@@ -75,6 +75,13 @@ describe("miner prediction ledger (#4263)", () => {
     expect(() => ledger.appendPrediction({ ...VALID, readinessScore: Number.NaN })).toThrow(/invalid_readiness_score/);
   });
 
+  it("REGRESSION (#7795): rejects path-traversal or invalid-character repo segments", () => {
+    const ledger = tempLedger();
+    expect(() => ledger.appendPrediction({ ...VALID, repoFullName: "../etc" })).toThrow(/invalid_repo_full_name/);
+    expect(() => ledger.appendPrediction({ ...VALID, repoFullName: "o/.." })).toThrow(/invalid_repo_full_name/);
+    expect(() => ledger.appendPrediction({ ...VALID, repoFullName: "o baz/a" })).toThrow(/invalid_repo_full_name/);
+  });
+
   it("scopes readPredictions by repo, preserving insertion order", () => {
     const ledger = tempLedger();
     ledger.appendPrediction({ ...VALID, repoFullName: "owner/repo-a", targetId: 1 });
diff --git a/test/unit/miner-replay-snapshot.test.ts b/test/unit/miner-replay-snapshot.test.ts
index f1ef84628c..aae5f948e3 100644
--- a/test/unit/miner-replay-snapshot.test.ts
+++ b/test/unit/miner-replay-snapshot.test.ts
@@ -341,6 +341,10 @@ describe("exportReplaySnapshot (#3010)", () => {
 
     await expect(exportReplaySnapshot({ repoPath: "/repo", repoFullName: "noslash", commitSha: "a" }, deps)).rejects.toThrow("invalid_repo_full_name");
     await expect(exportReplaySnapshot({ repoPath: "/repo", repoFullName: "a/b/c", commitSha: "a" }, deps)).rejects.toThrow("invalid_repo_full_name");
+    // #7795: path-traversal / invalid-character segments must fail closed like claim-ledger (#5831).
+    await expect(exportReplaySnapshot({ repoPath: "/repo", repoFullName: "../etc", commitSha: "a" }, deps)).rejects.toThrow("invalid_repo_full_name");
+    await expect(exportReplaySnapshot({ repoPath: "/repo", repoFullName: "o/..", commitSha: "a" }, deps)).rejects.toThrow("invalid_repo_full_name");
+    await expect(exportReplaySnapshot({ repoPath: "/repo", repoFullName: "o baz/a", commitSha: "a" }, deps)).rejects.toThrow("invalid_repo_full_name");
   });
 
   it("assertExecResult falls back to a generic exit-code message when stderr is entirely absent", async () => {
diff --git a/test/unit/miner-run-state.test.ts b/test/unit/miner-run-state.test.ts
index cbbe71c202..ce33a3445f 100644
--- a/test/unit/miner-run-state.test.ts
+++ b/test/unit/miner-run-state.test.ts
@@ -131,6 +131,10 @@ describe("loopover-miner run-state store (#2289)", () => {
       expect(() => store.setRunState("owner/repo/extra", "idle")).toThrow("invalid_repo_full_name");
       expect(() => store.setRunState("owner/repo", "blocked" as never)).toThrow("invalid_run_state");
       expect(store.getRunState("owner/repo")).toBeNull();
+      // #7795: path-traversal / invalid-character segments must fail closed like claim-ledger (#5831).
+      expect(() => store.getRunState("../etc")).toThrow("invalid_repo_full_name");
+      expect(() => store.setRunState("o/..", "idle")).toThrow("invalid_repo_full_name");
+      expect(() => store.setRunState("o baz/a", "idle")).toThrow("invalid_repo_full_name");
     } finally {
       store.close();
     }